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Financial Intermediation, Competition, and Risk

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  • Gianni De Nicoló
  • Marcella Lucchetta

Abstract

We study a simple general equilibrium model in which investment in a risky technology is subject to moral hazard and banks can extract market power rents. We show that more bank competition results in lower economy-wide risk, lower bank capital ratios, more efficient production plans and Pareto-ranked real allocations. Perfect competition supports a second best allocation and optimal levels of bank risk and capitalization. These results are at variance with those obtained by a large literature that has studied a similar environment in partial equilibrium. Importantly, they are empirically relevant, and demonstrate the need of general equilibrium modeling to design financial policies aimed at attaining socially optimal levels of systemic risk in the economy.

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Bibliographic Info

Paper provided by International Monetary Fund in its series IMF Working Papers with number 09/105.

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Length: 29
Date of creation: 01 May 2009
Date of revision:
Handle: RePEc:imf:imfwpa:09/105

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Keywords: Banking sector; Banks; Borrowing; Capital; Corporate sector; Economic models; Financial intermediation; Financial risk; Risk management; moral hazard; banking; deposit insurance; bank risk; bank capitalization; bank competition; financial stability; bank market; bank capital; bank profits; financial institutions; bank risk-taking; financial intermediary coalitions; deposit rates; financial system; prudential regulation; banking crises; banking systems; bank ownership; financial systems; bank regulation; bank failure; banking market; bank runs; bank supervision; financial instability; banking system; bank risk taking; financial policies; bankers; bank regulations; financial dependence; financial intermediaries; risk of bank failure; financial ? instability;

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References

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  1. Nicola Cetorelli & Philip E. Strahan, 2004. "Finance as a Barrier to Entry: Bank Competition and Industry Structure in Local U.S. Markets," NBER Working Papers 10832, National Bureau of Economic Research, Inc.
  2. Beck, Thorsten & Demirguc-Kunt, Asli & Levine, Ross, 2006. "Bank concentration, competition, and crises: First results," Journal of Banking & Finance, Elsevier, vol. 30(5), pages 1581-1603, May.
  3. Kevin C. Murdock & Thomas F. Hellmann & Joseph E. Stiglitz, 2000. "Liberalization, Moral Hazard in Banking, and Prudential Regulation: Are Capital Requirements Enough?," American Economic Review, American Economic Association, vol. 90(1), pages 147-165, March.
  4. Boot, Arnoud W A & Thakor, Anjan V, 1997. "Financial System Architecture," Review of Financial Studies, Society for Financial Studies, vol. 10(3), pages 693-733.
  5. Nicola Cetorelli, 2001. "Banking Market Structure, Financial Dependence and Growth: International Evidence from Industry Data," Journal of Finance, American Finance Association, vol. 56(2), pages 617-648, 04.
  6. Keeley, Michael C, 1990. "Deposit Insurance, Risk, and Market Power in Banking," American Economic Review, American Economic Association, vol. 80(5), pages 1183-1200, December.
  7. Martinez-Miera, David & Repullo, Rafael, 2008. "Does Competition Reduce the Risk of Bank Failure?," CEPR Discussion Papers 6669, C.E.P.R. Discussion Papers.
  8. Repullo, Rafael, 2003. "Capital Requirements, Market Power and Risk-Taking in Banking," CEPR Discussion Papers 3721, C.E.P.R. Discussion Papers.
  9. Cordella, Tito & Levy Yeyati, Eduardo, 1998. "Financial Opening, Deposit Insurance and Risk in a Model of Banking Competition," CEPR Discussion Papers 1939, C.E.P.R. Discussion Papers.
  10. Franklin Allen & Douglas Gale, 2004. "Financial Intermediaries and Markets," Econometrica, Econometric Society, vol. 72(4), pages 1023-1061, 07.
  11. John H. Boyd & Gianni De Nicolã, 2005. "The Theory of Bank Risk Taking and Competition Revisited," Journal of Finance, American Finance Association, vol. 60(3), pages 1329-1343, 06.
  12. Diamond, Douglas W, 1984. "Financial Intermediation and Delegated Monitoring," Review of Economic Studies, Wiley Blackwell, vol. 51(3), pages 393-414, July.
  13. Elena Loukoianova & Gianni De Nicoló & John H. Boyd, 2009. "Banking Crises and Crisis Dating," IMF Working Papers 09/141, International Monetary Fund.
  14. Holmström, Bengt & Tirole, Jean, 1994. "Financial Intermediation, Loanable Funds and the Real Sector," IDEI Working Papers 40, Institut d'Économie Industrielle (IDEI), Toulouse.
  15. Boyd, John H. & Chang, Chun & Smith, Bruce D., 2002. "Deposit insurance: a reconsideration," Journal of Monetary Economics, Elsevier, vol. 49(6), pages 1235-1260, September.
  16. John H. Boyd & Edward C. Prescott, 1985. "Financial intermediary-coalitions," Staff Report 87, Federal Reserve Bank of Minneapolis.
  17. Jayaratne, Jith & Strahan, Philip E, 1998. "Entry Restrictions, Industry Evolution, and Dynamic Efficiency: Evidence from Commercial Banking," Journal of Law and Economics, University of Chicago Press, vol. 41(1), pages 239-73, April.
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Citations

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Cited by:
  1. ap Gwilym, Rhys & Kanas, Angelos & Molyneux, Philip, 2013. "U.S. prompt corrective action and bank risk," Journal of International Financial Markets, Institutions and Money, Elsevier, vol. 26(C), pages 239-257.
  2. Fiordelisi, Franco & Mare, Davide Salvatore, 2014. "Competition and financial stability in European cooperative banks," Journal of International Money and Finance, Elsevier, vol. 45(C), pages 1-16.
  3. De Nicolò, Gianni & Gamba, Andrea & Luccetta, Marcella, 2012. "Capital regulation, liquidity requirements and taxation in a dynamic model of banking," Discussion Papers 10/2012, Deutsche Bundesbank, Research Centre.
  4. Marcella Lucchetta & Gianni De Nicoló, 2011. "Bank Competition and Financial Stability," IMF Working Papers 11/295, International Monetary Fund.

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