Brad DeLong entered
the debate between myself and Unlearning Economics with a post
entitled “The Need for a Reformation of Authority and Hierarchy
Among Economists in the Public Sphere”. He writes
“Simon needs to face that fact squarely, rather than to dodge it. The fact is that the "mainstream economists, and most mainstream economists" who were heard in the public sphere were not against austerity, but rather split, with, if anything, louder and larger voices on the pro-austerity side.”
The dodge, and I
think it is a pretty good dodge, is that politicians and a good part
of the media choose the economists they publicise. If you accept that
austerity came from what I call deficit deceit - an attempt to reduce
the size of the state using the false pretext of deficit reduction -
then obviously politicians and their supporters in the media would
choose those economists whose views were useful in promulgating that
deceit. As the UK discovered during the Brexit debate, even a tiny
proportion of economists (8!) can appear much larger if the media
gives them much more attention than they deserve.
But the argument
remains a dodge in the following respect. How were people outside
economics, including much of the non-partisan media, meant to know
that particular academic economists were unrepresentative of the
majority? Indeed how can even economists be sure of this? I’ve
argued that the majority of academic macroeconomists were always
against austerity, particularly once the reason for the Eurozone
crisis had been resolved by Paul De Grauwe, but the evidence I use to
back this up is piecemeal and indirect (see here,
pages 3 to 4).
Part of the problem
is a certain disregard for consensus among economists. If you ask
most scientists how a particular theory is regarded within their
discipline, you will generally get a honest and fairly accurate
answer. In contrast economists are less likely to preface a
presentation of their work in the media with phrases like ‘untested
idea’ or ‘minority view’. In macro it also reflects periods in
the past, which still resonate today, when there was deep division
and antagonism between different groups. This extends to not being
sure what is taught at masters level in the top schools: it turned
out, when André Moreira and I did the research,
that there was more consensus in one key respect (Chicago excluded)
than some had imagined.
Part of Brad’s
post it seems to me is simply a lament that Reinhart and Rogoff are
not even better economists than they already are. But there is also a
very basic information problem: how does any economist, let alone
someone who is not an economist, know what the consensus among
economists is? How do we know that the people we meet at the
conferences we go to are representative or not?
To help fill that
gap we have in the US the IGM Economic Experts Panel survey, and in
the UK/Europe the CFM survey.
(The IGM survey has recently started a European
version.) The US IGM survey has asked a question about
the Obama stimulus package on more than one occasion, and the latest
result is here.
It is one key part of the evidence for my claim that most academics
were and are against austerity.
However all these
surveys share a common feature which I find problematic, and which
also reflects on Brad’s concern. They are selective, and
deliberately designed to only include the academic elite. IGM writes
that panel members are all senior faculty at the most elite research
universities in the United States. So they tell us not what academic
economists think, but what a chosen sample of ‘elite’ economists
think. Now if those samples are well chosen, as I think they mostly
are for these surveys, that may not matter too much, but how
representative they are can always be questioned. It also gives the
impression that it is only this elite that are worth listening to
when it comes to policy issues, something I think is simply wrong as
well as being elitist.
As part of the build
up to the Brexit vote, the Observer newspaper commissioned Ipsos MORI
to email all members of the Royal Economic Society. 91% of those who
responded thought
Brexit would have a negative impact on UK GDP in the longer term. As
most UK academic economists are RES members, it was therefore
possible to say that there was a clear consensus among academic
economists that Brexit was harmful. To be able to say this about all
economists, rather than just a select few, in my view strengthens the
power of the survey. (Some defend elitist surveys because the elite
is ‘influential’, but if they influence their fellow economists
that will show up in a larger sample.)
I think the
experience with austerity and Brexit suggests it is time for national economics associations (like the RES or AEA) to start
representing the opinions of economists by conducting such polls of
their members under their own initiative. With email addresses the
technology makes it easy to do. It is time these organisations
started telling both us and the world about what the consensus (if
any) is on key policy issues. It would be an important step towards
ending the misrepresentation of economists and economics.