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Perverse cross-subsidization in the credit market

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  • Coco, G.
  • Pignataro, G.

Abstract

We show how asymmetric information and borrowers' heterogeneity in wealth may produce equilibria in which, due to decreasing absolute risk aversion, hard working poor borrowers subsidize richer borrowers. In particular, a model of adverse selection and moral hazard in a competitive credit market is developed with private information on borrowers' wealth. Because of the ambiguous e¤ect of decreasing risk aversion on the willingness to post collateral, both separating and pooling equilibria are possible in principle. Under separation the poor borrowers bear the cost of separation in terms of excessive risk taking. In a more likely pooling equilibrium poor hard-working borrowers subsidize richer ones.

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File URL: http://openaccess.city.ac.uk/1468/1/Perverse_cross%2Dsubsidization_in_the_credit.pdf
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Bibliographic Info

Paper provided by Department of Economics, City University London in its series Working Papers with number 11/01.

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Date of creation: 2011
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Handle: RePEc:cty:dpaper:11/01

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Postal: Department of Economics, Social Sciences Building, City University London, Whiskin Street, London, EC1R 0JD, United Kingdom,
Phone: +44 (0)20 7040 8500
Web page: http://www.city.ac.uk
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Related research

Keywords: poverty; cross-subsidization; pooling and separating equilibria; unobservable wealth;

References

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  1. Blanchflower, David G & Oswald, Andrew J, 1998. "What Makes an Entrepreneur?," Journal of Labor Economics, University of Chicago Press, vol. 16(1), pages 26-60, January.
  2. Stiglitz, Joseph E & Weiss, Andrew, 1981. "Credit Rationing in Markets with Imperfect Information," American Economic Review, American Economic Association, vol. 71(3), pages 393-410, June.
  3. Coco, Giuseppe, 2000. " On the Use of Collateral," Journal of Economic Surveys, Wiley Blackwell, vol. 14(2), pages 191-214, April.
  4. Cressy, Robert, 1996. "Are Business Startups Debt-Rationed?," Economic Journal, Royal Economic Society, vol. 106(438), pages 1253-70, September.
  5. de Meza, David & Webb, David, 1999. "Wealth, Enterprise and Credit Policy," Economic Journal, Royal Economic Society, vol. 109(455), pages 153-63, April.
  6. Bester, Helmut, 1985. "Screening vs. Rationing in Credit Markets with Imperfect Information," American Economic Review, American Economic Association, vol. 75(4), pages 850-55, September.
  7. Black, Jane & de Meza, David, 1997. "Everyone may benefit from subsidising entry to risky occupations," Journal of Public Economics, Elsevier, vol. 66(3), pages 409-424, December.
  8. Coco, Giuseppe & Pignataro, Giuseppe, 2010. "Inequality of opportunity in the credit market," DEMQ Working Paper Series 2010/5, University of Catania, Department of Economics and Quantitative Methods.
  9. Stiglitz, Joseph E & Weiss, Andrew, 1992. "Asymmetric Information in Credit Markets and Its Implications for Macro-economics," Oxford Economic Papers, Oxford University Press, vol. 44(4), pages 694-724, October.
  10. Besanko, David & Thakor, Anjan V, 1987. "Collateral and Rationing: Sorting Equilibria in Monopolistic and Competitive Credit Markets," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 28(3), pages 671-89, October.
  11. Coco, Guiseppe, 1997. "Collateral, Heterogeneity in Risk Attitude and the Credit Market Equilibrium," Discussion Papers 9702, Exeter University, Department of Economics.
  12. Bester, Helmut, 1987. "The role of collateral in credit markets with imperfect information," European Economic Review, Elsevier, vol. 31(4), pages 887-899, June.
  13. de Meza, David & Webb, David C, 1987. "Too Much Investment: A Problem of Asymmetric Information," The Quarterly Journal of Economics, MIT Press, vol. 102(2), pages 281-92, May.
  14. Gruner, Hans Peter, 2003. "Redistribution as a selection device," Journal of Economic Theory, Elsevier, vol. 108(2), pages 194-216, February.
  15. Evans, David S & Jovanovic, Boyan, 1989. "An Estimated Model of Entrepreneurial Choice under Liquidity Constraints," Journal of Political Economy, University of Chicago Press, vol. 97(4), pages 808-27, August.
  16. Cressy, Robert, 2000. "Credit rationing or entrepreneurial risk aversion? An alternative explanation for the Evans and Jovanovic finding," Economics Letters, Elsevier, vol. 66(2), pages 235-240, February.
  17. Rothschild, Michael & Stiglitz, Joseph E, 1976. "Equilibrium in Competitive Insurance Markets: An Essay on the Economics of Imperfect Information," The Quarterly Journal of Economics, MIT Press, vol. 90(4), pages 630-49, November.
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