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American Economic Review: Vol. 102 No. 3 (May 2012)

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Limited-Purpose Banking--Moving from "Trust Me" to "Show Me" Banking

Article Citation

Chamley, Christophe, Laurence J. Kotlikoff, and Herakles Polemarchakis. 2012. "Limited-Purpose Banking--Moving from "Trust Me" to "Show Me" Banking." American Economic Review, 102(3): 113-19.

DOI: 10.1257/aer.102.3.113

Abstract

There are many alleged culprits for the bank runs of 2008 and their devastating economic fallout. But proprietary information and leverage top our list. Claims of proprietary information forced financial markets to operate on trust, while providing the perfect breeding ground for fraud. And leverage permitted creditors to run at the first whiff of fraud, leveling one financial giant after another. Limited Purpose Banking (LPB), presented here, is a financial reform that sharply curtails proprietary information and eliminates leverage and, thus, the possibility of financial collapse. LPB's adoption is supported by our simple model showing how fraud can destroy finance.

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Authors

Chamley, Christophe (Boston U)
Kotlikoff, Laurence J. (Boston U)
Polemarchakis, Herakles (U Warwick)

JEL Classifications

G21: Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
G28: Financial Institutions and Services: Government Policy and Regulation
G01: Financial Crises


American Economic Review


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