Friday, June 21, 2013

Does (department) size matter?

Not really, according to this new research by Clement Bosquet and Pierre-Philippe Combes, who looked at the effects of various departmental characteristics on academic economists' research productivity in French universities. Concentrating on French data has the advantage that although initial affiliation relates to individual publications (as in most countries), this can be captured with an individual fixed effect, while subsequent moves in France are not driven by individual performance. Instead, the authors note, they are driven by personal or family motivations, in part due to the fact that academic salaries are essentially flat across universities, while the most frequent way of becoming a full professor is via a national contest that allocates winners to departments in a largely random way. Cool.

So what did they find?

Well, firstly, size doesn't matter, much. Instead, the biggest determinants of research productivity are the diversity of fields (within economics) that your colleagues work on - higher diversity being good for productivity - and the degree of heterogeneity of publication quality within the department - more heterogeneity being bad for productivity. So, a mixed bag of apples and oranges (in terms of research interests) is good, but a few rotten apples do appear to spoil the bunch!

Apart from size, it is also interesting to note that the authors found little or no effect of proximity to other economics departments, a finding in contrast with the conventional wisdom from economic geography, which tends to find large agglomeration effects in economic productivity (e.g. comparing urban and rural areas).

Other interesting findings the authors report:
  • Contrary to common intuition, more students per academic do not reduce publication performance.
  • Women, older academics, stars in the department and co-authors in foreign institutions all have a positive externality impact on each academic's individual outcome.
So, when choosing your next career move, look for a department with a wide array of interests, and not just those with lengthy lists of faculty members.

"Oh I do like to be beside the seaside ... "

New research from my colleague Susana Mourato, and George MacKerron, shows that people are happiest in marine and coastal environments, and more generally when experiencing the great outdoors. No great surprise there, perhaps, but this is a pretty novel attempt at quantifying the effects. The study is the first to use a tailor-made smartphone app to record individuals' wellbeing in different environments, and is based on over a million observations, from 22,000 individuals. Results are interesting in and of themselves, but the method also has great potential as a new means of estimating the intrinsic value of the natural environment. Could be useful, for example, in evaluating climate adaptation measures such as flood defenses. The paper is published in Global Environmental Change. More details here.

Sunday, February 3, 2013

Gender discrimination is holding back development, but not just in poor countries

Gender inequality has been getting a lot of attention lately in the development literature as a factor that reinforces poverty dynamics. Esther Duflo provides a good summary of the complex interaction between gender inequality and under-development in this paper [PDF]. I was glad to see the concluding communique from the Post-Millenium Development Goals high level panel meeting in Monrovia [PDF] putting gender equality issues up front in their recommendations for action on global development.

But several articles over the past week have reinforced for me the idea that gender inequality has also been a big factor in holding back economic prosperity in the rich world. An article in the Irish Times (headline: "I told the interviewer I wasn't planning on having more children. I got the job") highlighted the level of job-market discrimination being faced by young women - particularly those in the so-called goldilocks years for having kids - in Ireland today. This is apparently a result of employers trying to avoid taking on the "liability" of maternity leave. This story is echoed in Italy, which has the third lowest female employment rate in the OECD, according to this article from Friday's Guardian. The current economic circumstances in these countries doesn't help, with employers being able to pick and choose between numerous candidates for any advertised job. But the problem originates in the unequal treatment of men and women in parental leave legislation and the inadequate provision of childcare. Of course, there is some biological justification for the differing treatment of men and women in relation to parental leave. But not enough to justify a system - backed by unequal legal entitlements - that creates the expectation that a woman who has a child will be off work for six months or more, while a man might miss a few days.

Friends of mine who live in Oslo and recently had a baby, explained to me that the system there allows parents to choose how they divide parental leave between them. But the system also incentivises fathers to take time off by extending the total amount of parental leave for couples who both avail of it. This means the expectation at work is that both men and women will take leave if they have children, reducing the motivation for employers to discriminate against women.

Greater gender equality in the form of higher female participation in the workforce has dual economic benefits. Higher participation rates provide the mechanistic boost to prosperity of simply shifting the ratio of workers to overall population in favour of the former. More importantly, the exclusion of women from the workforce deprives the economy of the contributions of many of its most talented members. While unpaid work in the home is inherently valuable, society as a whole benefits when families can choose who engages in that work and how much time they devote to it. I'm putting the focus here on the economic benefits, taking as given that greater gender equality is a worthy and important goal in itself. There are also, presumably, social benefits to greater gender equality, not just for women, but also for fathers and their children, who would benefit from the opportunity to spend more time together.

A special report in The Economist this week praised the Nordic countries (Sweden, Denmark, Finland and Norway) for consistently topping world rankings in both competitiveness and well-being. While the report notes the exceptionally high rates of female labour force participation in these countries, it gives relatively little attention to the systems that underpin that level of inclusion, choosing instead to focus on reductions in the size of government and Sweden's introduction of private sector competition and vouchers in its education sector (elements of the Nordics' success that The Economist is predictably keen on).

The Economist is right to point out that some of the cultural and institutional factors on which the Nordic success is built will be difficult for others to replicate. One element of that success that should be relatively straightforward for others to imitate is to legislate for greater equality between the sexes when it comes to parental leave entitlements, and to provide both women and men the basic freedom to decide for themselves how best to share their work and home life commitments.









Friday, February 1, 2013

Teaching Economics

This week I reviewed Meme Wars: The Creative Destruction of Neoclassical Economics (edited by Kalle Lasn and Adbusters) for the LSE Review of Books. (You can read the full review here). Meme Wars styles itself as an alternative ‘Econ 101′ textbook and the core of the book is a collection of short essays that question the ideas and teaching of mainstream, neoclassical economics. Its radical approach (in both design and content) might be off-putting to some, but I'd recommend it - both for experienced economists, as a challenge to think more broadly about underlying assumptions and fundamental questions about the purpose of the discipline - and especially for those who are new to economics, as an introduction to some alternative ways of thinking about the economy. 

While many of the criticisms raised here are already gaining traction within the discipline, for example through the emerging paradigms of ecological, behavioural and complexity economics, Meme Wars is right in complaining that these developments are generally not reflected in the economics taught to undergraduate students. A recent paper (available here) that tracks changes in the content of the bestselling introductory economics textbooks since the onset of the global financial crisis, would appear to confirm this view, i.e. little has changed.

However, that is not to say that 'mainstream' voices in economics are not willing to challenge the status quo. Meme Wars contains contributions from the likes of Joe Stiglitz and George Akerlof, among others. I also recently came across a collection of essays titled What's the Use of Economics? Teaching the Dismal Science After the Crisis edited by Diane Coyle (see here for details), which includes contributions from numerous established names in economics.

The currents of change and debate within economics make this an exciting time to be a part of the discipline. It would be a shame not to share this excitement with those being introduced to the subject for the first time.

Wednesday, November 7, 2012

Triumph of the 'quants'

This morning we salute an historic election victory. And no, I'm not referring to Barack Obama earning four more years in the presidential hot-seat (a victory now immortalised in the most-popular-tweet-ever). The historic victory that has the twitterati salivating with admiration*, is the triumph of the nerds--and one 'nerd' in particular; Nate Silver of the New York Times blog fivethirtyeight. Silver correctly predicted the outcome in all 50 states--as illustrated in this graphic comparison of his state-by-state prediction map with a map of actual results--beating his 2008 feat of correctly predicting 49 out of 50 (he missed out that time on Indiana, which Obama took by 0.1%).

The day before the election Silver gave Obama a 92% chance of victory, defying the 'gut-instinct' pundits who saw the election as 'too close to call', or those who only weeks ago were talking about the Romney campaign's 'momentum', while Silver still had the probability of a Romney victory at just 25%. The xkcd comic summed things up neatly as follows: "To surprise of pundits, numbers continue to be best system for determining which of two things is larger" (cartoon here).

The financial crisis did much to discredit the value of 'quants' and their stats-based analyses. But the lesson from the crisis was not so much that 'quants-are-bad', but that quantitative (predictive) modelling needs to be applied carefully, and only where the underlying model has valid statistical relevance (I've blogged about this previously here).

So does Silver's triumph herald a new dawn in the public's attitude towards statistics and quantitative analysis? There seems little doubt that the success of the fivethirtyeight formula--both in terms of its predictive power and its ability to attract a big audience--will change the nature (or at least the methods) of political punditry. But what about its potential to improve the image of stats and quantitative, data-based analysis more widely?

I saw a tweet today from a former economics lecturer of mine, who said he had his masters class running election prediction simulations in Stata (a statistical/econometric software programme) this week. Seems to me like a great way to inspire students' interest in these analytical techniques. Economics lecturers regularly lament the difficulty of trying to get undergraduates to engage with stats--many, particularly those who are more politically minded, seem to simply switch off at the sight of an equation. This appears to be almost a form of learned behaviour--evidence of a dysfunctional relationship with numbers--a deep distrust of these seemingly arcane methods of analysis and scepticism about their relevance to the 'real-world'.

The success of movements such as CoderDojo and the RaspberryPi project in promoting computer coding as a hobby for kids (big and small) proves the potential appetite for 'nerdy' pursuits, when presented as engaging, creative--as opposed to mechanistic--activities. Here's hoping the (electoral) triumph of the nerds can do something similar for getting the kids interested in numbers.

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*For example, @monsieurcorway tweeted: 'There's a great quote from a Romney supporter last night at Mitt's 'victory' party... He was asked if he turned up thinking Mitt would win. His response? "I read Nate Silver, that son of a bitch." Says it all. Well done, Nate - You legend.' Or this, from @alanbeattie: "Nate Silver can kill people by shooting lasers from his eyes ".

Tuesday, October 30, 2012

Expert accountability

The ruling last week by an Italian court that seven scientists were guilty of manslaughter for failing to warn citizens about the threat of a major earthquake in the city of l'Aquila, raises some difficult questions about accountability and ethics in relation to the provision of 'expert' opinion and scientific advice to governments and the wider public. The scientific community and global media have reacted with outrage, comparing the verdict and threat of lengthy jail sentences for the scientists involved with the persecution of Galileo and the burning of witches.

I agree in principle and in spirit with this sense of outrage. The ruling appears to betray a lack of understanding of the inherent uncertainty in any scientific endeavour, which is particularly pronounced when it comes to forecasting future events. Furthermore, putting science on trial in this way threatens to curtail the progress of scientific inquiry generally, and more specifically--in the nearer term--to make the position of those charged with civil protection and disaster prevention, in Italy at least, almost untenable. However, there remains an important point relating to accountability and ethics that appears to have been overlooked amidst all the righteous indignation.

In an excellent article in Nature, Stephen S. Hall outlines the sequence of events that led up to the tragedy. In an extraordinary meeting of the National Commission for the Forecast and Prevention of Major Risks, the seven scientists--who were all members of the Commission--reached the conclusion that an earthquake was "unlikely" (if not impossible). This in turn was interpreted by a government official, speaking at a press conference, as meaning the situation in l'Aquila was "certainly normal" and posed "no danger". The same official further added that the sequence of minor quakes and tremors that had been occurring in the region was in fact "favourable ... because of the continuous discharge of energy".

This interpretation is apparently contrary to the scientific evidence. The same article, by Hall, quotes Thomas Jordan, director of the Southern California Earthquake Center at the University of Southern California in Los Angeles, and chair of the International Commission on Earthquake Forecasting (ICEF), as suggesting that in the aftermath of a medium-sized shock in a seismic swarm (a sequence of tremors), the risk of a major quake can increase anywhere from 100-fold to nearly 1,000-fold in the short term, although the overall probability of a major quake remains relatively low--at around 2%, according to a study of other earthquake-prone zones in Italy (G. Grandori et al. Bull. Seismol. Soc. Am. 78, 1538–1549; 1988), also quoted by Hall.

A 1,000- (or even 100-) fold increase in the probability of a major quake, would have been a very different message for public consumption than the "anaesthetizing" reassurances given to the media at the press conference. Clearly, the most egregious error committed here was in the over-, or indeed mis-interpretation, of the scientific evidence by the government official who spoke to the press. The scientists were--apparently--correct in their assessment that a major quake remained "unlikely", although not impossible. But, was this the best way of characterizing the risks for the general public?

One of the people affected by the L'Aquila earthquake, quoted in Hall's article, admits that he feels "betrayed by science"--"Either they didn't know certain things, which is a problem, or they didn't know how to communicate what they did know, which is also a problem."

It may be that the error here was not in mis-stating the risk, but in not being specific enough about it. There is an understandable reluctance to use statistics, probabilities and scientific terminology in the public communication of scientific evidence. But at times we take this too far. The public is not stupid, and--problems with common misunderstandings in relation to probability notwithstanding--would be better served by the scientific community and public officials avoiding condescending reassurance in favour of the clear presentation of facts.

Is woolly language, such as "unlikely" really any more useful or informative than saying simply "we don't know"? Might the committee have been better to present the available statistical evidence--including details about the changes in probabilities--while acknowledging that the precise timing and location of a major quake is essentially unpredictable?

The advice could have stopped short of ordering a full-scale evacuation--which, on the basis of the best available evidence, would have been unnecessary 98% of the time--and instead, simply presented that evidence, enabling people to make their own informed decisions about what level of risk they were willing to accept.

Returning to the issue of accountability and ethics, to what extent should scientific or other experts be held accountable for the advice they give to governments or to the wider public? In the case of the l'Aquila tragedy, a more relevant question might be; should researchers be held accountable for the way in which their findings are interpreted by policy-makers and, in turn, by the media? Should researchers generally consider how their findings are likely to be interpreted before making them public? This almost certainly places an unreasonable burden on researchers.

And yet--while researchers can't be expected to control how others interpret their findings, a greater effort needs to be made in communicating the science--its achievements and its limitations--directly to the public. With the recent proliferation of sources for news, opinion and analysis, the authority of traditional media outlets and the role of journalists and editors as the gatekeepers of public information, is increasingly being challenged. This presents both a challenge and an opportunity for scientific engagement with a wider audience. It is increasingly difficult for members of the public to distinguish the signal of scientific or expert analysis from (a) noise and (b) intentionally biased or deceitful opinion emanating from thinly disguised lobbyists, portraying themselves as independent 'experts'. On the other hand, the internet enables researchers to disseminate their findings, methods and data without intermediation by journalists or politicians.

The 'science on trial' headlines may sound melodramatic, but scientists from both the social and hard-sciences are right to feel they are being challenged to justify their art as at no other time in living memory. Public confidence in "science"--in its broadest sense--has been undermined by episodes such as the 'climategate' controversy. The discipline of economics, similarly, has been widely criticised for not predicting the financial crisis--and more fundamentally, for persisting with models that appear unable to explain 'real world' phenomena. This critique certainly has some merit, and economics as a discipline is evolving to take account of the lessons from related disciplines, notably psychology, biology and epidemiology. However, it has to be recognised--both by researchers and those who would criticise their efforts--that models, by their very nature, are imperfect simplifications of the world they are trying to explain. One clear responsibility of any researcher, is to think carefully about the domain of validity of the models that they use [PDF], to define their limitations, and to communicate this in an unambiguous and honest way, along with any findings from the research.

Reflecting on the trial of the seismologists, the former president of Italy's National Institute of Geophysics and Volcanology, concludes that "scientists have to shut up". On the contrary, the lesson for scientists from this tragedy and the subsequent trial, is to be more proactive in our engagement with the public.

A good starting point might be the establishment of a voluntary code of ethics for researchers. This would include, for example, a commitment to publish annually a list of all sources of funding for one's research. Furthermore, the code might also contain a commitment to make public not only our research findings but also the data and methodology used (including relevant context, limitations and assumptions). Signing up to this code could be a prerequisite for any government advisers, and could similarly become a useful tool for the media in screening 'expert' commentators.


More generally this code would be based on three fundamental guiding principles; honesty, transparency and humility. Going back to Hall's Nature article, he quotes a man who lost his wife and daughter in the earthquake, lamenting the fact that "the science, on this occasion, was dramatically superficial, and it betrayed the culture of prudence and good sense that our parents taught us on the basis of experience and of the wisdom of the previous generations." Perhaps the greatest lesson from this tragedy is the need for a greater degree of humility when it comes to the predictive powers of even the most sophisticated scientific models. 



Saturday, August 25, 2012

Dan on crime - a lesson in the abuse of statistics

Dan O'Brien, writing in the Irish Times on Friday, claims that poverty and inequality are "not key reasons for law breaking" and that "recessions have had no discernible effect [on crime rates]". I call bullshit, and here's why (written as a direct reply to Dan's article, this is an edited version of the comment I left on the Irish Times site).

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"Aw, people can come up with statistics to prove anything Kent. Forty percent of all people know that."
            - Homer J. Simpson

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Wow, this is a breathtakingly ill-informed piece of lazy journalism, and an outrageous abuse of statistics!

The commenters on the site have already pointed out some of the flaws in your argument, but there are other ways in which this is simply wrong.

For anyone interested in a serious discussion of incarceration, I would highly recommend David Cole's article from the New York Review of Books from a few years back (and which I previously blogged about here).

According to Cole, “most of those imprisoned are poor and uneducated, disproportionately drawn from the margins of society” (referring to the US prison population).

The US has by far the highest incarceration rate in the world. However, somewhat inconveniently for your argument, Cole also points out that up to 1975 the US incarceration rate had been steady at about 100 per 100,000. Since then, the rate has ballooned to 700 per 100,000. If putting the crooks behind bars is really what prevents crime, it seems strange that such a massive increase in the incarceration rate apparently had no preventative effect on the 'crime waves' of the 1980s, to which you also make reference.

Incidentally, it is also slightly inconvenient for your argument that Russia, a country that you refer to as having “a very high murder rate”, also has the second highest incarceration rate in world. Huh.

But of course all of these superficial correlations are meaningless anyway (as you point out yourself!). What you are doing is taking two trends that happen to be moving in the same direction (or in some cases opposite directions), and assigning causation, in blatant disregard of your own caveat about correlation not necessarily implying causation!

Your country comparisons are also spurious. You simply can't compare crime rates and income levels across countries without at least attempting to control for some other relevant factors. Any applied economist worth their salt would know this. Two such relevant factors, which you mention in your article, are the rate of drug use (or perhaps more importantly narcotics production) and demographics. Controlling for these might lead to a very different picture of the relationship between income and crime (or it may not, the point is we simply don't know, based on the evidence you present). In any case, it seems likely that relative poverty and relative deprivation (i.e. within countries) would be more important drivers of crime than aggregate national income levels.

It is astonishing that you would make such sweeping assertions about what does or does not cause crime on the basis of so little evidence, and that the Irish Times would publish this piece seemingly without having done even the most basic fact-checking. (On that point, it is worth referring to Paul Krugman's recent article in which he outlines the fact-checking process that each of his op-ed pieces goes through before being published in the New York Times.)

You have done a disservice to economics and statistics with this article – as well as showing an almost total disregard for the other social-sciences which have produced voluminous literatures on the socio-economic causes of crime. I sincerely hope that the Irish Times will give the opportunity to someone with some expertise in this area to write a response to this article.







Friday, August 24, 2012

The GAA, Irish culture and playing by the rules

Some thoughts in response to Sean Moran's excellent article on the (non)-enforcement of rules in the GAA, and Irish society more generally.


(I posted this as a comment at the end of the article also)

The article raises a very important issue about Irish culture with regard to rules and rule-breakers. There is also an interesting parallel here with political and economic affairs in that the nearer you get to the 'top' - in whatever context - it seems, the less stringently the rules of the game are applied. 

In relation to the hurling example referred to in Sean's article, I was also disappointed with the reaction of the TV pundits on Sunday (making excuses for the violence on display and refusing to countenance the idea that this shouldn't be a part of the game). 

I fully agree with the idea that hurling is - and should remain - a physically intense contact sport. That intensity - in terms of physicality, skill and speed - is part of what makes it such an attractive sport both to play and to watch. However, it is the marriage of that intensity with - what is generally - an honest and sporting atmosphere amongst players and spectators, that sets the GAA, and hurling in particular, apart from other sports. 

I thought the GAA had begun to grow out of its adolescent need to appear "manly" at all costs. What were common practices in the past, such as mocking players for wearing white boots for example, or even for wearing a helmet, seem largely to have disappeared. But sadly, experienced analysts, all true 'hurling men' and supposedly experts on the game - cannot seem to make what should be a fairly simple distinction between a physical intensity that is fair and sporting - shoulder to shoulder challenges, pulling on the ball with both hands on the hurl etc. - as opposed to some of the cynical and ugly stuff we saw on Sunday (and in other games). The wild strokes on Michael Rice and TJ Reid were just the most egregious examples of this.

Striking your opponent with the hurl should always result in a sending off. As should interfering with another player's helmet. There is also what appears to be a fairly common practice of 'butting' your opponent with the end of the hurl - usually into the ribs or stomach - which has become the standard greeting onto the field for a newly arrived sub. This is another form of striking with the hurl which should result in a straight red card and yet seems to pass almost without comment, even when it is picked up by the cameras. 

Between the reappearance of this 'all part of the game' attitude to indiscipline and the public support from some senior GAA figures for Sean Quinn, it has been a regressive summer in terms of GAA culture.


Update: On a brighter note, this inspirational and very funny speech from Cork inter-county hurler Donal Og Cusack at the Foyle Pride Festival, represents a massive and welcome step forward for GAA and Irish culture: http://www.facebook.com/foylepride/posts/275794492524567 

Wednesday, August 22, 2012

Scientific theory is always up for grabs

Laurence Kotlikoff (an economist at Boston University ) has written an important op-ed piece on Bloomberg about the politicization of the economics profession: "Economists risk labeling as political hacks". While I agree with the general thrust of the argument, and much of the specifics, I was troubled by the line "Economic theory isn't up for grabs". Below is my response, left as a comment after the original article.

*****

This is an excellent article and you raise some very important points that every economist should be concerned about.

However, in the last section of the piece (titled "Consumption Spree") I think you take the argument a step too far. In particular, I have a problem with the line "Economic theory isn't up for grabs. Economic facts aren't a matter of choice." Here you are doing a disservice to economics by exaggerating its claims to scientific impartiality. No theory exists in a vacuum and empirical "facts" must be interpreted in order for them to have any meaning (this is true even for the "hard" sciences, but especially so for social science such as economics)

The preceding discussion on savings rates provides a perfect illustration of this. You take an existing theory (life cycle savings model) and use it to interpret some empirical facts (savings rates, tax incentives) resulting in an explanation of America's low savings rates. This is all perfectly valid. But it involves the selection of a model - based on a particular world view - and the interpretation of the empirical evidence through the prism of that model.

Your argument sounds convincing - and I have no doubt this is at least part of the explanation for low savings rates. But the reader - and certainly other economists - should be free to agree or disagree with your particular interpretation, and to offer alternatives. Indeed alternative explanations of low savings rates have been offered by people who start with a different model or world view and make a different interpretation of the available evidence.

This is how good science should work. It is always up for grabs.

*****

Monday, July 23, 2012

Media disasters?

What influence does popular media coverage have on the allocation of humanitarian aid following a natural disaster?

In his excellent short films (see here and here) Arno Waizenegger documents the responses of both the international aid community and the international media to the tsunami that devastated the Indonesian province of Aceh in December 2004. Donors pledged so much money (about US$8 billion) to the region that one aid agency - Medecins sans Frontieres - took the unprecedented step of announcing that they would not be accepting any further donations for that cause. The tsunami also became a major international "news event". Was the massive aid response directly attributable to the intense media coverage of the event? Waizenegger points to another 'silent disaster' - a civil conflict that claimed 15,000 lives - that had been ongoing in the same region for 29 years prior to the tsunami, but received little of either international media attention - in part because the government had previously banned foreign journalists from entering the areas affected by the conflict - or humanitarian assistance for its victims.

Of course, the 2004 tsunami was of such a scale - around 170,000 were killed in Aceh alone - that it was almost certain to receive international attention both from the media and from aid organizations. The question is whether relatively marginal disasters are more likely to receive humanitarian aid if given media attention. In their elegant paper on this topic "News droughts, news floods and U.S. disaster relief", Thomas Eisensee and David Stromberg find evidence that U.S. disaster relief depends on whether or not a disaster occurs during periods when there are other newsworthy events - such as the Olympic Games - that effectively crowd out media coverage of the disaster.

This is the topic of my latest research. I use newspaper archives to quantify the amount of media attention given to a particular disaster event. Based on data gathered from the Washington Post archive, for disasters occurring in developing countries between 1995 and 2010 (a sample of around 3,400 events), there appears to be some distinct patterns of media coverage across regions and disaster types. Earthquakes and storms appear to generate the most media coverage on average (with about 0.6 news articles per person killed), floods generate considerably fewer stories (around 0.14 articles per person killed), while news coverage for drought episodes is an order of magnitude lower again (at just 0.03 articles per person killed). Part of the reason for the relative lack of attention on droughts may be due to the nature of such events, given that they are slowly evolving crises as opposed to dramatic lightning strikes. This also has the added effect of making it difficult to define start and end dates for a drought event. As a consequence the search window (from two days prior to the event onset, up to 40 days after the event) is unlikely to cover the entire drought 'event' - given that some drought episodes can last months or even years - and therefore may not capture the total amount of media attention that the event receives.

Turning to media coverage by region, again we find a distinctive pattern in the data. Disasters that occur in Latin America and the Caribbean generate the most news coverage (with an average of around 0.6 news articles per person killed), those occurring in either the East Asia Pacific or Europe and Central Asia regions generate slightly fewer stories (on average around 0.4 per person killed), while South Asia (with just 0.16 articles per person killed), the Middle East North Africa and Sub-Saharan Africa regions (each with just 0.11 articles per person killed) are relatively neglected. Of course these figures are simple averages and take no account of the relative distribution of disaster types across regions. Therefore the relative neglect of Africa could be a reflection of the relative lack of media attention on drought events, for example. A more structured analysis may uncover whether or not these patterns represent a genuine tendency for some disaster types and regions to be relatively neglected and if such media biases have any influence on the political decision to grant humanitarian aid relief to a disaster affected region.

The research will also extend to archive searches in major news publications of other countries (starting for linguistic convenience with Anglophone countries - US, Canada, Australia, UK and perhaps Ireland - reflecting the home bias of the author) to investigate whether the media's influence on relief decisions differs across countries. 

This is early stage research and comments or suggestions are most welcome.

Sunday, March 4, 2012

The euro crisis and the fiscal compact treaty

Frank Barry and David McWilliams both had insightful pieces on the euro crisis and the fiscal compact treaty in today's Sunday Business Post (SBP content appears to be behind a paywall). Both make the point that the treaty won't solve the euro's problems. Fiscal deficits were not the cause of the eurozone crisis. Rather it was structural imbalances within the eurozone. The logic of monetary union requires a fiscal transfer union to help absorb the inevitable shocks that will occur in any large, diverse economy. Are Europeans prepared for the creation of a federal European (eurozone) state and the concomitant transfer of national sovereignty to a supra-national government?

Monday, January 2, 2012

Wednesday, December 21, 2011

A Year of Revolution

Update (2 January 2012): This article has been published in full on Irish Left Review and an edited (shorter) version has been published on Social Europe Journal. In a related piece in December's New York Review of Books, Michael Greenberg asks what future for the Occupy movement.

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In a year of revolution, causes have been easier to identify than consequences.


In 1989, following the end of the Cold War, the American political scientist Francis Fukuyama wrote in The End of History? of the “unabashed victory of economic and political liberalism”, marking “the end point of mankind's ideological evolution and the universalization of Western liberal democracy as the final form of human government”.1 In the decades since Fukuyama's landmark essay, the very concept of revolution – at least in the context of the rich, Western world – had itself come to be seen as an almost anachronistic idea. While still idealized in some quarters – most notably in student houses where posters of El Che [Guevara] are proudly hoisted to the walls, in defiance of the no-blue-tack clauses of student lease agreements – revolution had attained a quaint, nostalgia-tinged hue. That is, until this year. In 2011, revolution has returned to the center of global geo-political discourse. People have taken to the streets en masse across the Arab world, as part of the Arab Spring popular revolutions. The revolutionary fervour has since spread to the capital cities of the rich world. From Spain's indignados, to the riots in London, Athens and Rome, to the Occupy Wall St protests that have spread from New York to other major cities around the world, the Arab Spring is turning into a global Autumn of Discontent.


Viewed through Fukuyama's lens, the Arab Spring could be interpreted as the natural progression of these once repressive regimes into modern, Western-style democracies. How then do we reconcile with such a theory, the emergence of the Occupy movement, which originated at the heart of the financial-corporate-political nexus on Wall St? Certainly those involved in these protests, while apparently reluctant to articulate a list of “demands”, do not appear content to be living at the apogee of the modern participative democratic society.


There are many parallels in the genesis of these two movements (if the various riots, protests, occupations and revolutions are indeed reducible to two distinct groups according to their Western and Arab origins), and they appear to have fed off the oxygen of each other's success. The Occupy movement explicitly models itself on the Arab Spring's largely peaceful occupations of central squares and plazas. But the Arab world has also been paying close attention to the Western Autumn of Discontent. The London riots in August, for example, provoked jibes from the less “Western-friendly” Arab leaders about popular revolt and the London regime's hardline crackdown in response. The Arab media, more generally, appear to have been paying close attention to the Occupy movement long before Western media began taking the protesters seriously. The Tunisian blogger Lina Ben Mhenni has said she is proud of the role the Arab Spring has played in inspiring young people in other parts of the world to come out and “say 'no' to their systems”.2


The apparent solidarity between these groups of protesters should come as no surprise. In both cases the protests have been led mostly (although by no means exclusively) by young people. In a direct parallel of the Arab Spring, the Occupiers represent a generation increasingly disillusioned with a system in which many have been marginalized, without work or the prospect of a job, a system they claim has left them without a voice – thus the emphasis among protestors on the use of an elaborate and disciplined form of participative decision making. While national unemployment rates are running at between eight and ten percent in the US, Britain and the Eurozone (with double digit rates in Spain, Ireland and Greece), youth unemployment is significantly higher. In the US, 17% of under-25s are without work. In Europe, that figure is over 20%, while in Spain almost half (46.2%) of all young people are jobless.3


The Arab Spring was clearly a “liberal” movement, in the sense that popular protests rose up to challenge repressive, authoritarian regimes. But do its participants aspire to the particular version of liberalism that has been predominant in the Western world – and most particularly in the Anglo-Saxon world – over the past three decades?


Even during the boom times, when unemployment rates were relatively low, income inequality was rising in many rich countries – most notably those that pursued most vigorously the Anglo-Saxon model of deregulation (i.e. the US, Britain and Ireland). One of the most appealing slogans of the Occupy movement – “we are the 99%” – is a pointed reference to the top 1% of income earners, who in 2007 received 23.5% of total US national income, with an average wage income of around $713,000.4 Not since the late 1920s – in the years immediately preceding the Wall St crash and the Great Depression – the era of the “robber-barons”, have the few at the apex of the income pyramid, captured such a disproportionate share of national income.


The period since the beginning of the 1980s, which has seen the financial and economic elite steadily increase their share of national income, has been characterized by the political economist and former US secretary of labour Robert Reich, as the Great Regression. The systematic deconstruction of social and labour protections during this period has created a sense of financial and economic instability in young people's lives, the social costs of which have yet to be fully counted – but symptoms of which are evident in the recent violence on the streets of London and Rome.


Writing in 2007, in response to a UNICEF report at the time, which found British children had the most miserable upbringing in the developed world (with Americans second from bottom), Maria Hampton provided a remarkably prescient discussion of the causes and potential consequences of declining living standards for young people in the UK. Her article quotes LSE economist Nick Bosanquet and Blair Gibbs of the independent think tank Reform, who in their Class of 2005 survey characterised Britain’s under-35s – the “iPod Generation” – as insecure, pressured, over-taxed and debt-ridden.5 From among this generation have come the majority of the protestors.


So to consequences. In the Arab Spring, a mass popular movement coalesced around the clear and unambiguous goal of overthrowing brutal dictators. Now that aim has been achieved – in Tunisia, Egypt and Libya – the way forward is less clear. Similarly, the aims – and ultimate political consequences – of the Occupy movement remain unclear. From the outset, the Occupiers have been reluctant to specify their “demands”. While some in the media have seen this lack of focus as a reason to dismiss the protestors, for some within the movement, the process – with its egalitarian, democratic ideals and methods – is the cause. Avoiding setting out specific “demands” may also represent a clever strategy for the protestors, at least for the time being. As The Onion recently quipped, the public are waiting for the Occupiers to state their demands so that we can all rationalize our reasons for choosing to ignore them, and “go back to waiting for the sluggish economy to recover while blindly accepting things the way they are”.6


As the repeated failed attempts to solve the European debt crisis attest, simply muddling through and hoping for a return to the halcyon days of the mid-2000s, may no longer be a serious option. Lest we forget, there were mass protests in poor countries around the world, in response to high food and energy prices in 2008. Similar protests were seen recently on the streets of Israel. While the poorest may have felt the effects of the squeeze on resources before most, ultimately, these protests are symptoms of the same underlying problems. Indeed it was the rise in commodity prices – food and energy in particular – that pricked the bubble economy of the last decade. The unbalanced and unsustainable growth of recent years has left too many people, in both rich and poor countries, feeling disillusioned, marginalized and concerned about their economic futures.


There is now an urgent need to articulate an alternative to the failed neo-liberal agenda of recent decades. The financial crisis generally, and more specifically the recent protest movements around the globe, challenge us to consider what kind of society we wish to live in. If in every crisis lies opportunity, then we must embrace this opportunity to start a discussion about the ideals of liberty, equality and justice – upon which most modern democratic states were founded – and what these values mean in a modern, globalized society.


This crisis also presents a threat – one which will only grow in its potential to be destructive, if the underlying causes of the crisis are not addressed. The last time a financial crisis of this magnitude occurred, the world was plunged into a period of darkness. In the wake of the economic collapse, self-interested, nationalistic policies were enacted through the exploitation of people's fears and insecurities, culminating in the rise of fascism. The result was a global conflict that claimed millions of lives. We have already witnessed the rise of an “extremist” right-wing party in the US, with sufficient power to force the US government to the brink of default.7 Even the remotest sense of modern history should suffice to give us all pause for concern at such developments.


Writing in his last major publication before his death, the historian and social commentator Tony Judt warned that if the history of the 20th Century has taught us anything, it should be a healthy suspicion of totalitarianism in all its forms.8 One such form has been the disturbing – and ultimately misplaced – certainty of the free market ideologues. Judt also argued that the great failure of the Left, in all its various shades, has been the apparent inability to articulate any coherent alternative to the predominant neo-liberal agenda of the past 30 years. Indeed, the ideological hubris implicit in Fukuyama's End of History could only have arisen in the context of an ideological vacuum to the Left of the predominant neo-liberal political-economic paradigm.


Back in 2007, Hampton concluded her article on the plight of British youth as follows: “If the crisscrossing fault-lines of greed, geopolitics and social inequality do reach a tipping point, we may well see a conflict between youthful brutality and the power of old age”. If we are to avoid such conflicts, we must start a conversation about the kind of society we want to live in and the state of the world we will pass on to our children. These are challenges for which there are no simple answers or quick-fix solutions. There will be dilemmas about how to balance competing aims that we wish to embrace. That does not mean we should not try.


- Dublin, October 2011.



1Fukuyama, Francis (1989). The End of History? The National Interest, Summer 1989.

2As quoted in the Irish Times Weekend Review, 22 October 2011.

3Rates quoted are from the Economist, 22 October 2011 (http://www.economist.com/node/21533447)

4Figures taken from Robert Reich's article “The Limping Middle Class”, NY Times, 4 September 2011.

5The article “Generation F*cked: How Britain is Eating its Young” first appeared in the magazine Adbusters (#71, May/June 2007) and was republished recently on the magazine's website, Adbusters.com (11 August 2011).

6“Nation waiting for protestors to clearly articulate demands before ignoring them”, The Onion, 12 October 2011.

7As characterized by Moses Naim in La Repubblica (11 September 2011).

8Judt, Tony (2010), Ill Fares the Land. Penguin.

Tuesday, December 6, 2011

Time to burst the austerity bubble

Meanwhile, Philip Lane is quoted in The Telegraph as saying "every [Irish] government for the next 20 years will have to keep cutting". As it is, we know the next two budgets will contain even more severe cuts than those being imposed right now. This is just what the government and "troika" have publicly admitted. What happens when the anticipated recovery (i.e. growth) doesn't materialize? More austerity?
It's time we all realized that the path we're on is unsustainable. Just as the boom was unsustainable - and on some level we all knew this, but allowed our instincts to be over-ridden by reassuring talk of "economic fundamentals" and "soft landings". The logic is simple and clear - this programme of austerity will not work. I think most people intuitively understand that. But we are allowing ourselves to be mollified by talk of restoring confidence, of "growing" exports and jobs. Just where are we going to export to, with the eurozone - and possibly the global economy - facing a sharp recession next year? Who is going to create jobs as domestic consumer demand continues to fall? The only thing we are growing right now is a generation of young people for export.

Stiglitz on the Euro Crisis

Joe Stiglitz discusses the sources of the present crisis and the (misguided) attempts to solve it, in this article. He includes several references to Ireland (direct and otherwise) ...

The prevailing view when the euro was established was that all that was required was fiscal discipline – no country’s fiscal deficit or public debt, relative to GDP, should be too large. But Ireland and Spain had budget surpluses and low debt before the crisis, which quickly turned into large deficits and high debt.
...

Without a common fiscal authority, the single market opened the way to tax competition – a race to the bottom to attract investment and boost output that could be freely sold throughout the EU.

Moreover, free labor mobility means that individuals can choose whether to pay their parents’ debts: young Irish can simply escape repaying the foolish bank-bailout obligations assumed by their government by leaving the country. Of course, migration is supposed to be good, as it reallocates labor to where its return is highest. But this kind of migration actually undermines productivity.

...

Public-sector cutbacks today do not solve the problem of yesterday’s profligacy; they simply push economies into deeper recessions. Europe’s leaders know this. They know that growth is needed. But, rather than deal with today’s problems and find a formula for growth, they prefer to deliver homilies about what some previous government should have done. This may be satisfying for the sermonizer, but it won’t solve Europe’s problems – and it won’t save the euro.

Friday, December 2, 2011

"Talking about depression" ... the media and editorial decision based on "legal advice"

Update (4 December 2011) : The Irish Times has issued an apology - and in the process, essentially accused Kate Fitzgerald of lying in her last words:
http://www.irishtimes.com/newspaper/opinion/2011/1203/1224308526623.html?via=mr

Some responses from the blogosphere:

http://ourmaninstockholm.wordpress.com/2011/12/03/a-right-of-reply/

http://backfromthepast.wordpress.com/2011/12/03/suppressionofsuicide/

Original blog post (2 December 2011):

I submitted the following letter to the Irish Times yesterday, 1 December 2011 (not published in today's paper), in response to various articles and letters relating to the death of Kate Fitzgerald (see broadsheet.ie coverage here).

Sir,

Thank you for continuing to publish articles and letters that discuss issues of suicide and depression (e.g. Tony Bates, Opinion, 1st December; Kevin Byrne, Letters, 1st December; Peter Murtagh, Weekend Review, 26th November; Kate Fitzgerald, Opinion, 9th September). These issues are badly understood in our society and stigmatized as a consequence.

However, I must join with others in expressing my disappointment at your decision, on "legal advice", to edit the words originally written anonymously by Kate Fitzgerald. Giving a voice to those who experience depression is crucial in fostering greater understanding of this illness. Her article was deemed fit to publish in your paper on September 9th. If something in that original article has been found to be untrue and/or libelous, you should issue a correction and apology immediately. This could be added as a footnote to the original article in your archives. If not, the original article should be restored in full, and you should have the courage and editorial conviction to stand over what you publish.

Yours etc.,

Tom McDermott,

Friday, November 25, 2011

No Alternative to Budget Cuts?

It is often argued that there is simply "no alternative" to the destruction of social safety nets implicit in proposals to cut government expenditure, e.g. the Irish government's consideration of cuts to child benefit, a reduction in unemployment benefit and the introduction of medical card fees etc., as ways to achieve the required €3.8bn "adjustment" in the forthcoming budget. This line was repeated by Stephen Collins in Saturday's Irish Times. However, the idea that there is "no alternative" to a government decision could never be accurate. The "no alternatives" myth is nothing more than a politically convenient way of saying we don't want to consider the alternatives.

Thankfully, various groups outside of government have put together detailed proposals on alternative ways of saving money in the budget. Michael Taft of TASC has outlined potential "alternative" savings of around €6bn.

It's worth noting that some of the proposals here - e.g. removal of property tax reliefs - present the relatively rare opportunity for government, in imposing taxes, of a win-win on both equity and efficiency grounds. Removal of these reliefs would also represent a reversal of the much criticized policies of the previous government. Rather than subsidizing asset accumulation, taxing wealth (in the form of a property tax or capital gains tax) makes sense as both a progressive tax measure and one which avoids the disincentivization of work entailed in higher income taxes.

On income tax, the proposal to increase the top rate to 48% is still some way below the "optimum" top rate of tax (to be applied only to the top 1% of income earners) of over 70%, as calculated in this new paper in the Journal of Economic Perspectives, and discussed here (Paul Krugman's NYTblog) and here (Kevin Drum of Mother Jones).

The calculation is based on US data. For Ireland we might consider that the "behavioural elasticity", as Krugman calls it - i.e. the reduced work effort in response to higher taxes - is likely to be higher than for the US, given the historically high international mobility of Irish workers and the infamous culture of tax exiles among Ireland's elite. I'm not sure if studies on this elasticity exist for Ireland. But there is another way of looking at this. If we assume that the current top rate of income tax in Ireland is the optimum rate, what degree of "behavioural elasticity" would this imply? Ireland's top marginal rate of income tax is officially 41%. However, if we include the top rate of the Universal Social Charge (USC) at 7% and PRSI at 4% we have a top marginal rate of 52%. This implies a "behavioural elasticity" of about 0.62.* This is still higher than even the most conservative upper bound estimates for the US - around 0.57. Also, as Diamond and Saez note, most of the behavioural response observed in studies to date consists of tax evasion or avoidance behaviour, and not the kind of changes in real economic behaviour that opponents of higher income taxes claim to be concerned about (e.g. labour supply, business creation and savings decisions).

So while increases to the top rate of tax will be dismissed by this government on pragmatic grounds - that such increases would be self-defeating - such claims may not stand up to close scrutiny. Imposing a higher rate of tax on the top 1% of earners in society - and ensuring they actually pay their tax by closing loopholes, removing tax reliefs, and clamping down on tax exiles and tax evasion - could offer a more socially equitable and sustainable means of closing the gap between public revenue and expenditure.

Certainly the notion that we have "no alternative" to the proposed cuts, appears to have no basis in the available facts and figures. Instead it is revealing of an ideologically driven budgetary process.



*The calculation is based on the formula used in the paper by Diamond and Saez cited above: T = 1/(1 + ae), where T is the optimal top rate of tax, a is the Pareto parameter that describes the distribution of incomes at the top, and e is the behavioral elasticity. I assume that the distribution of incomes at the top in Ireland is roughly equivalent to that in the US and so I use the same Pareto parameter as used in the Diamond and Saez paper, i.e. 1.5.

Tuesday, November 22, 2011

170 economists sign statement in support of OWS

170 economists have signed a statement in support of the Occupy Wall St movement. Read the statement here.

Sunday, November 20, 2011

The value of third level education and who should pay for it

Mass student protests took place in Dublin last week (see photos here) over expected increases in fees and cuts to maintenance grants in the forthcoming budget. Students feel betrayed by the apparent unwillingness of the Minister for Education, Ruairi Quinn of the Labour Party, to stand by his pre-election pledge not to raise fees or cut grants for third level students. The protestors also rightly question the wisdom of the proposed measures, given the likelihood that they could end up costing the government money as hard-pressed students are forced out of college and on to dole queues. Roughly one in four young people (17-25 year olds) in Ireland is unemployed, while the figure is more like one in three for young men (see here, here and here). The alternative to the dole queue is, of course, emigration. According to the CSO, 76,000 people left Ireland in the year to April 2011. Almost all of those leaving were aged 15-44 (see here).


Forcing young people out of education and on to dole queues - or on to planes - represents a personal tragedy for the young people and their families who are directly affected. It is also clearly not in the long-term social or economic interests of the country. However, the question inevitably arises as to how we should fund the third level sector in this country. Should free third level education - funded by the state - be offered to all those who wish to attend (and meet some basic minimum academic requirements)? Or should students themselves be asked to pay for their education through some kind of fee system? There appears to be an ideological (or at least political) aversion amongst the current government to the idea of fees based on the full economic cost of a third level education. However, the current approach of creeping fees (or "student contributions" to use the euphemism favoured by politicians) and cuts to maintenance grants, represent highly regressive mechanisms for plugging the funding shortfall. They also guarantee that only those who can afford the fees (and other associated costs of attending college - cost of living, books, foregone income etc.) will pursue third level education. Not only is this morally wrong, it is also economically inefficient - the most talented and those who are determined to make the most of their education are not afforded the opportunity to do so in such a system.


This matter of public funding for third level education is particularly pressing, given the government's current financial difficulties. A simple short-term solution would be not to repay these bonds, thus alleviating the need for such severe austerity in the forthcoming budget. However, even such a dramatic u-turn in government policy would not address the wider issue of the long-term sustainability of a third level sector that, because of Ireland's youthful demographics, will have to cope with large increases in the demands on its services over the coming years - that is, if we expect to continue offering third level courses to a large proportion of the population. Out of a population of almost 4.5 million in 2011, 1.25 million are aged 19 and under, with a particularly large cohort born in the last 5 years. Over the coming years, the college-age population cohort will increase considerably (see CSO figures here).


The protestors and their student leaders were understandably coy during the week about proposing any alternative to raising fees as a means of funding third level education. The USI president was right, however, in pointing out the limitations - particularly in the Irish context - of an Australian style system of student loans repaid through income tax (which appeared to be the preferred approach of the Fine Gael party - now in government - during its time in opposition). For one thing, such a system would only exacerbate the short-term funding crisis, as it would (presumably) involve removal of the existing "non-tuition" fees and would not see any returns to the exchequer until graduates began earning sufficiently high incomes to pay the implied graduate tax. Given youth unemployment rates, this could be quite a wait. There is also the issue of the international mobility of Irish young people and Ireland's history of emigration. Returns (societal or economic) to any investment in education, are dependent - at the very least - on people remaining in the country.


Any debate on the appropriate way to fund education must also consider the value of education, both to the individual and to society. A number of recent analyses have begun to question the value - from the student's perspective - of the enormous investment involved in attempting to acquire a third level qualification (e.g. this New York Review of Books article). In the US, where students pay extremely high fees, young people graduating from university are leaving with worse job prospects and higher debts than ever before (see this Mother Jones article). Worse again, many leave before graduating - with a heavy debt burden and no qualification to show for it.


Over the medium to long-term we must consider what role the third level sector should play in our society, and what sort of graduates (and in what numbers) will be needed or desired in future. Will churning out large numbers of undergraduate degrees, masters and PhDs deliver the hallowed 'Knowledge Economy' of so many political speeches and government documents? As Paul Krugman argued back in 1996 - in what already seems like a highly prescient piece of futurology - "when something becomes abundant, it also becomes cheap. A world awash in information will be a world in which information per se has very little market value."


Much has been made recently of rising income inequality in rich countries - the US in particular - in part thanks to the issues raised by the Occupy movement. Many economists have - mistakenly it seems - linked rising income inequality to the proliferation of technology, leading to higher returns to education. In fact, most of the rise in inequality appears to have been driven by the runaway increase in incomes for the top 1% (see here). For everyone else - including the majority of college graduates - real incomes have not risen over the last 20 or 30 years. The Occupy slogan "we are the 99%" appears to have captured the reality of modern income inequality.


So perhaps the debate ultimately comes back to a question about what kind of society we wish to live in. Certainly, if we wanted to we could decide that a third level education represents a basic right of all citizens and as such should be funded by the state. This would have to be paid for - through taxation of one kind or another, or reduced spending elsewhere - but is certainly not beyond the realms of possibility, as politicians might conveniently argue.


Education is undoubtedly a fundamental right. But should that extend to third level education? Education is also a public good - an investment (as opposed to a cost) to which the returns from a societal point of view far outweigh the benefits to the individual. As such, there is plenty of justification for public investment in education. However, the scientific evidence indicates that the greatest returns to investing in education accrue to investment in early childhood (see here). This is also likely to be the most progressive form of educational investment - given that a child's prospects for educational attainment appear to be determined from a very early age. It is worth noting that the free fees for third level system in Ireland does not appear to have had much of an impact on the participation rates for different socio-economic groups.


So while there is no denying the desirability of significant public investment in education, to the extent that this is constrained by available resources, it should be concentrated on early childhood interventions. The question, then, is whether a free fees third level system is a luxury we can no longer afford, or a social programme we would be poorer without.

NYRB on the Occupy movement two months in

On the NYRblog, Michael Greenberg gives a detailed account of a dramatic week for the Occupy Wall Street movement in New York, while Jeff Madrick looks at the evidence on runaway incomes for the top 1% - America's new robber barons.