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Finance

Function Matters, Not Size

Bibliographic Data

ID4766396
AuthorsJohn H Cochrane (0000-0002-1541-958X, AQR Capital Management Distinguished Service Professor of Finance, University of Chicago Booth School of Business, Chicago, Illinois; Research Associate, National Bureau of Economic Research, Cambridge, Massachusetts; Senior Fellow, Hoover Institution, Stanford, California; and Adjunct Scholar, Cato Institute, Washington, DC., corresponding author)
Year2013
Volume27
Issue2
Pages29-50
Publication date2013-02-01
Peer ReviewedYes
Open AccessYes
TypeARTICLE
VenueThe Journal of Economic Perspectives (JOURNAL)
Journal identifiersISSN: 0895-3309 • E-ISSN: 1944-7965
PublisherAmerican Economic Association (PUBLISHER • US)
DOI10.1257/jep.27.2.29
OpenAlexW3124183549
LanguageEN
Citations received1
References cited24

It's fun to pass judgment on waste, size, usefulness, complexity, and excessive compensation. But as economists, we have an analytical structure for thinking about these questions. "I don't understand it" doesn't mean "it's bad," or "regulation will improve it." That attitude pervades policy analysis in general and financial regulation in particular, and economists do the world a disservice if we echo it. I will not offer a competing black box [to explain the size of the finance industry]. I don't claim to estimate the socially optimal "size of finance" at, say, 8.267 percent of GDP. It's just the wrong question. Hayek and the failure of planning should teach us a little modesty: Pronouncing on socially optimal industry size is a waste of time. Is the finance industry functioning well? Are there identifiable market or government distortions? Will proposed regulations help or make matters worse? These are useful questions

Economics · Market Size · Banking stability, regulation, efficiency · Complex Systems and Time Series Analysis · Financial Markets and Investment Strategies · Psychology · Social Psychology · Finance

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Highly citedNo

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