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Oligopoly Banking and Capital Accumulation

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  • Cetorelli, Nicola
  • Peretto, Pietro F.

Abstract

We develop a dynamic general equilibrium model of capital accumulation where credit is intermediated by banks operating in a Cournot oligopoly. The number of banks affects capital accumulation through two channels. First, it affects the quantity of credit available to entrepreneurs. Second, it affects banks' decisions to collect costly information about entrepreneurs, and thus determines the efficiency of the credit market. We show that under plausible conditions, the market structure that maximizes the economy's steady-state income per capita is neither a monopoly nor competition, but an intermediate oligopoly. Moreover, the credit market splits in two segments: one in which loans are screened and only high quality entrepreneurs obtain credit, and one in which banks extend credit indiscriminately to all entrepreneurs. The relative size of the two segments depends on the market power of banks and evolves endogenously along the path of capital accumulation. We thus obtain the prediction that the banking sector becomes more sophisticated as the economy develops.

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Bibliographic Info

Paper provided by Duke University, Department of Economics in its series Working Papers with number 00-19.

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Date of creation: 2000
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Handle: RePEc:duk:dukeec:00-19

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Web page: http://econ.duke.edu/

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  1. Ross Levine, 1997. "Financial Development and Economic Growth: Views and Agenda," Journal of Economic Literature, American Economic Association, vol. 35(2), pages 688-726, June.
  2. Rajan, Raghuram G & Zingales, Luigi, 1998. "Financial Dependence and Growth," American Economic Review, American Economic Association, vol. 88(3), pages 559-86, June.
  3. Giovanni Dell & Ariccia#x2019, 2000. "Learning by Lending, Competition, and Screening Incentives in the Banking Industry," Center for Financial Institutions Working Papers 00-10, Wharton School Center for Financial Institutions, University of Pennsylvania.
  4. Levine, Ross & Zervos, Sara, 1998. "Stock Markets, Banks, and Economic Growth," American Economic Review, American Economic Association, vol. 88(3), pages 537-58, June.
  5. Petersen, Mitchell A & Rajan, Raghuram G, 1995. "The Effect of Credit Market Competition on Lending Relationships," The Quarterly Journal of Economics, MIT Press, vol. 110(2), pages 407-43, May.
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  8. Emilia Bonaccorsi di Patti & Giovanni Dell & Ariccia#x2019, 2000. "Bank Competition and Firm Creation," Center for Financial Institutions Working Papers 00-20, Wharton School Center for Financial Institutions, University of Pennsylvania.
  9. Nicola Cetorelli, 1997. "The role of credit market competition on lending strategies and on capital accumulation," Working Paper Series, Issues in Financial Regulation WP-97-14, Federal Reserve Bank of Chicago.
  10. Nicola Cetorelli & Michele Gambera, 1999. "Banking market structure, financial dependence and growth: international evidence from industry data," Working Paper Series WP-99-8, Federal Reserve Bank of Chicago.
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  19. Harris, Milton & Holstrom, Bengt, 1982. "A Theory of Wage Dynamics," Review of Economic Studies, Wiley Blackwell, vol. 49(3), pages 315-33, July.
  20. Mark G. Guzman, 2000. "Bank structure, capital accumulation and growth: a simple macroeconomic model," Economic Theory, Springer, vol. 16(2), pages 421-455.
  21. Campbell, Tim S & Kracaw, William A, 1980. " Information Production, Market Signalling, and the Theory of Financial Intermediation," Journal of Finance, American Finance Association, vol. 35(4), pages 863-82, September.
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