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International Capital Flows and Credit Market Imperfections: A Tale of Two Frictions

  • Martin, Alberto
  • Taddei, Filippo

The financial crisis of 2007-08 has underscored the importance of adverse selection in financial markets. This friction has been mostly neglected by macroeconomic models of financial frictions, however, which have focused almost exclusively on the effects of limited pledgeability. In this paper, we fill this gap by developing a standard growth model with adverse selection. Our main results are that, by fostering unproductive investment, adverse selection: (i) leads to an increase in the economy’s equilibrium interest rate, and; (ii) it enerates a negative wedge between the marginal return to investment and the equilibrium interest rate. Under financial integration, we show how this translates into excessive capital inflows and endogenous cycles. We also explore how these results change when limited pledgeability is added to the model. We conclude that both frictions complement one another and argue that limited pledgeability exacerbates the effects of adverse selection

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Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number 8131.

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Date of creation: Dec 2010
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Handle: RePEc:cpr:ceprdp:8131
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  1. 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.
  2. Philippe Aghion & Philippe Bacchetta & Abhijit Banerjee, 2004. "Financial Development and the Instability of Open Economies," NBER Working Papers 10246, National Bureau of Economic Research, Inc.
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  4. Rui Castro & Gian Luca Clementi & Glenn MacDonald, 2004. "Legal Institutions, Sectoral Heterogeneity, and Economic Development," 2004 Meeting Papers 162, Society for Economic Dynamics.
  5. Ricardo J. Caballero & Emmanuel Farhi & Pierre-Olivier Gourinchas, 2008. "An Equilibrium Model of "Global Imbalances" and Low Interest Rates," American Economic Review, American Economic Association, vol. 98(1), pages 358-93, March.
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  8. Gennaioli, Nicola & Martin, Alberto & Rossi, Stefano, 2010. "Sovereign Default, Domestic Banks and Financial Institutions," CEPR Discussion Papers 7955, C.E.P.R. Discussion Papers.
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  10. Boyd, John H. & Smith, Bruce D., 1997. "Capital Market Imperfections, International Credit Markets, and Nonconvergence," Journal of Economic Theory, Elsevier, vol. 73(2), pages 335-364, April.
  11. Nobuhiro Kiyotaki & John Moore, 1995. "Credit Cycles," NBER Working Papers 5083, National Bureau of Economic Research, Inc.
  12. Kiminori Matsuyama, 2004. "Financial Market Globalization, Symmetry-Breaking, and Endogenous Inequality of Nations," Econometrica, Econometric Society, vol. 72(3), pages 853-884, 05.
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  14. Gertler, Mark & Rogoff, Kenneth, 1990. "North-South lending and endogenous domestic capital market inefficiencies," Journal of Monetary Economics, Elsevier, vol. 26(2), pages 245-266, October.
  15. Reichlin, Pietro & Siconolfi, Paolo, 2000. "Optimal Debt Contracts and Moral Hazard Along the Business Cycle," CEPR Discussion Papers 2351, C.E.P.R. Discussion Papers.
  16. Alberto Martin, 2004. "Endogenous credit cycles," Economics Working Papers 916, Department of Economics and Business, Universitat Pompeu Fabra, revised Aug 2008.
  17. N. Gregory Mankiw, 1986. "The Allocation of Credit and Financial Collapse," NBER Working Papers 1786, National Bureau of Economic Research, Inc.
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  19. Enrique G. Mendoza & Vincenzo Quadrini & José-Victor Ríos-Rull, 2007. "On the Welfare Implications of Financial Globalization without Financial Development," NBER Working Papers 13412, National Bureau of Economic Research, Inc.
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  29. repec:bla:restud:v:75:y:2008:i:3:p:809-833 is not listed on IDEAS
  30. Markus K. Brunnermeier, 2009. "Deciphering the Liquidity and Credit Crunch 2007-2008," Journal of Economic Perspectives, American Economic Association, vol. 23(1), pages 77-100, Winter.
  31. Giannetti, Mariassunta, 2003. " Bank-Firm Relationships and Contagious Banking Crises," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 35(2), pages 239-61, April.
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