"The economics profession went astray because economists, as a group, mistook beauty, clad in impressive-looking mathematics, for truth".
These words, by Nobel Laureate Paul Krugman, form the inspiration behind an online petition originated by Professor Geoffrey M. Hodgson of the University of Hertfordshire's Business School.
In press release, Professor Hodgson writes:
An online declaration in support of a fuller extract from Krugman's article (see text below)has received over 2000 signatures in little over a month.[...]
Krugman joins a line of Nobel Laureates, including Ronald Coase, Wassily Leontief and Milton Friedman, who have argued that economists has become largely transformed into a branch of applied mathematics, with inadequate contact with the real world. On the online website, Krugman's words are supported by Nobel Laureate Douglass North.
The narrow training of economists -- which concentrates on mathematical techniques and the building of empirically uncontrolled formal models -- has been a major reason for the failure of the economics profession to appreciate market vulnerability and warn of the serious risks in the financial system. In their pursuit of tractable models, economists have made over-simplified and misguided assumptions concerning of human agents, markets and other institutions, rather than engaging adequately with the complexities of the real world.
Mathematics is very important and useful, but it should be a servant to economics, and not its master. Real-world substance should prevail over mathematical technique. To help avoid further failings, governments in the USA, Europe and elsewhere should look into the state of economics and the way economics is taught.
Of the 2000-plus signatories of the current online appeal, 62% have PhDs, 20% are from the USA, and 10% from the UK.
As well as Nobel Laureate Douglass North, other prominent signatories include leading international academics and researchers such as Masahiko Aoki, Tony Aspromourgos, Michael Bernstein, Margaret Blair, Mark Blaug, Daniel Bromley, John Cantwell, Ha-Joon Chang, Victoria Chick, Keith Cowling, Kurt Dopfer, Gregory Dow, Ronald Dore, Giovani Dosi, Jean-Pierre Dupuy, Peter Earl, Jan Fagerberg, Olivier Favereau, Duncan Foley, John Foster, Geoffrey Harcourt, Arnold Heertje, Joseph Henrich, Stuart Holland, Will Hutton, Peter Kellner, Arjo Klamer, Mark Lavoie,
Richard Lipsey, Brian Loasby, Mark Lutz, Ronald Martin, William McKelvey, Deirdre McCloskey, Stanley Metcalfe, Julie Nelson, Richard Norgaard, Luigi Pasinetti, Peter Richerson, Erik Reinert, Barkley Rosser, Kurt Rothschild, Bridget Rosewell, Robert Rowthorn, Malcolm Rutherford, Paolo Saviotti, Malcolm Sawyer, Esther-Mirjam Sent, Mark Setterfield, Gerald Silverberg, Laurence Shute, Robert Skidelsky, Peter Skott, Ronald Stanfield, Arthur Stinchcombe, Thomas Weisskopf, Sidney Winter and Stefano Zamagni.
All 2000-plus signatories endorse the following words by Paul Krugman:
"Few economists saw our current crisis coming, but this predictive was the least of the field's problems. More important was the profession's blindness to the very possibility of catastrophic failures in a market economy ... the economics profession went astray because economists, as a group, mistook beauty, clad in impressive-looking mathematics, for truth ... economists fell back in love with the old, idealized vision of an economy in which rational individuals interact in perfect markets, this time gussied up with fancy equations ... Unfortunately, this romanticized and sanitized vision of the economy led most economists to ignore all the things that can go wrong. They turned a blind eye to the limitations of human rationality that often lead to bubbles and busts; to the problems of institutions that run amok; to the imperfections of markets -- especially financial markets -- that can cause the economy's operating system to undergo sudden, unpredictable crashes; and to the dangers created when regulators don't believe in regulation. ... When it comes to the all-too-human problem of recessions and depressions, economists need to abandon the neat but wrong solution of assuming that everyone is rational and markets work perfectly." (/New
York Times, September 2nd , 2009.)
Additional supporters can sign the petition here
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