Douglas Diamond wins Nobel Prize for research on banks and financial crises

Editor’s note: The University of Chicago will hold a news conference at 11 a.m. CT Oct. 10 to honor Prof. Douglas Diamond. Watch a live webcast here.

Prof. Douglas W. Diamond of the University of Chicago has been awarded the Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel 2022.

The Royal Swedish Academy of Sciences honored Diamond, the Merton H. Miller Distinguished Service Professor of Finance at the University of Chicago Booth School of Business, and two other economists for improving “our understanding of the role of banks in the economy, particularly during financial crises.” His pioneering research has changed the way people view banks and laid the groundwork for how central bankers, regulators, policymakers and academics approach modern finance.

Diamond shares the prize with Ben Bernanke of the Brookings Institution and Philip Dybvig of Washington University in St. Louis.

Diamond is the 95th scholar associated with the University to receive a Nobel Prize, and the 33rd to receive the Nobel in economics. In addition to Diamond, seven current UChicago faculty members are Nobel laureates in economics: Prof. Michael Kremer (who won in 2019), Prof. Richard Thaler (2017), Profs. Eugene Fama and Lars Hansen (2013), Prof. Roger Myerson (2007), Prof. James Heckman (2000) and Prof. Robert E. Lucas Jr. (1995).

Diamond is known for his research into financial intermediaries, financial crises and liquidity. His research agenda for the past 40 years has been to explain what banks do, why they do it and the consequences of these arrangements.

Diamond’s earliest research explained how the economic role of banks generated an essential link between the properties of their assets and the form of their liabilities. In “Financial Intermediation and Delegated Monitoring,” a paper based on his Ph.D. dissertation that appeared in The Review of Economic Studies in 1984, he showed how the bank’s special assets (special because they monitored special information about business borrowers) forced them to finance themselves with debt liabilities (deposits) rather than equity and also led banks to diversify across many loans.

He and Dybvig later developed the Diamond-Dybvig model in “Bank Runs, Deposit Insurance, and Liquidity,” which appeared in the Journal of Political Economy in 1983. The Diamond-Dybvig model demonstrates how banks specializing in creating liquid liabilities (deposits) to fund illiquid assets (such as business loans) may be unstable and give rise to bank runs. It shows how banks’ special liabilities, combined with illiquid assets, explain the role of banks, why they may be unstable and why they may need a government safety net (such as deposit insurance) more than other borrowers. 

Diamond is a research associate of the National Bureau of Economic Research and a visiting scholar at the Federal Reserve Bank of Richmond. He was president of the American Finance Association and the Western Finance Association, is a member of the National Academy of Sciences, and is a fellow of the Econometric Society, the American Academy of Arts and Sciences, and the American Finance Association. He joined Chicago Booth’s faculty in 1979. 

Diamond’s other highly cited works include “Monitoring and Reputation: The Choice Between Bank Loans and Directly Placed Debt” in the Journal of Political Economy in 1991, and “Liquidity Risk, Liquidity Creation and Financial Fragility: A Theory of Banking” in the Journal of Political Economy in 1991. The latter was co-written with Chicago Booth Prof. Raghuram G. Rajan, with whom Diamond has written a series of influential papers on banking and crises.

Diamond has taught at Yale University and was a visiting professor at the MIT Sloan School of Management, the Hong Kong University of Science and Technology, and the University of Bonn.

Diamond earned a bachelor’s degree in economics from Brown University in 1975. He earned master’s degrees in 1976 and 1977 and a Ph.D. in 1980 in economics, all from Yale University.

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