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Rational contagion and the globalization of securities markets

  • Calvo, Guillermo A.
  • Mendoza, Enrique G.

This paper argues that the globalization of securities markets may promote contagion among investors by weakening incentives for gathering costly country-specific information and by strengthening incentives for imitating arbitrary market portfolios. In the presence of short-selling constraints, the utility gain of gathering information at a fixed cost converges to a constant level and may diminish as securities markets grow. Moreover, if a portfolio manager's marginal cost for yielding below-market returns exceeds the marginal gain for above-market returns, there is a range of optimal portfolios in which all investors imitate arbitrary market portfolios and this range widens as the market grows. Numerical simulations suggest that these frictions can have significant quantitative implications and they may induce large capital flows in emerging markets.

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Article provided by Elsevier in its journal Journal of International Economics.

Volume (Year): 51 (2000)
Issue (Month): 1 (June)
Pages: 79-113

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Handle: RePEc:eee:inecon:v:51:y:2000:i:1:p:79-113
Contact details of provider: Web page: http://www.elsevier.com/locate/inca/505552

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  1. Reinhart, Carmen & Calvo, Sara, 1996. "Capital Flows to Latin America: Is There Evidence of Contagion Effects?”," MPRA Paper 7124, University Library of Munich, Germany.
  2. Obstfeld, Maurice, 1994. "Risk-Taking, Global Diversification, and Growth," American Economic Review, American Economic Association, vol. 84(5), pages 1310-29, December.
  3. Grossman, Sanford J & Stiglitz, Joseph E, 1980. "On the Impossibility of Informationally Efficient Markets," American Economic Review, American Economic Association, vol. 70(3), pages 393-408, June.
  4. Robert J. Shiller, 1995. "Conversation, Information, and Herd Behavior," Cowles Foundation Discussion Papers 1092, Cowles Foundation for Research in Economics, Yale University.
  5. Mendoza, Enrique G., 1997. "Terms-of-trade uncertainty and economic growth," Journal of Development Economics, Elsevier, vol. 54(2), pages 323-356, December.
  6. Calvo, Guillermo A. & Mendoza, Enrique G., 1996. "Mexico's balance-of-payments crisis: a chronicle of a death foretold," Journal of International Economics, Elsevier, vol. 41(3-4), pages 235-264, November.
  7. Robert J. Shiller & John Pound, 1986. "Survey Evidence on Diffusion of Interest Among Institutional Investors," Cowles Foundation Discussion Papers 794, Cowles Foundation for Research in Economics, Yale University.
  8. Bikhchandani, Sushil & Hirshleifer, David & Welch, Ivo, 1992. "A Theory of Fads, Fashion, Custom, and Cultural Change in Informational Cascades," Journal of Political Economy, University of Chicago Press, vol. 100(5), pages 992-1026, October.
  9. Banerjee, Abhijit V, 1992. "A Simple Model of Herd Behavior," The Quarterly Journal of Economics, MIT Press, vol. 107(3), pages 797-817, August.
  10. Enrique G. Mendoza, 1991. "Capital Controls and the Gains from Trade in a Business Cycle Model of a Small Open Economy," IMF Staff Papers, Palgrave Macmillan, vol. 38(3), pages 480-505, September.
  11. Robert J. Shiller & John Pound, 1986. "Survey Evidence on Diffusion of Investment Among Institutional Investors," NBER Working Papers 1851, National Bureau of Economic Research, Inc.
  12. Scharfstein, David. & Stein, Jeremy C., 1988. "Herd behavior and investment," Working papers WP 2062-88., Massachusetts Institute of Technology (MIT), Sloan School of Management.
  13. repec:fth:starer:9825 is not listed on IDEAS
  14. S. Rao Aiyagari & Mark Gertler, 1999. ""Overreaction" of Asset Prices in General Equilibrium," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 2(1), pages 3-35, January.
  15. Grossman, Sanford J & Stiglitz, Joseph E, 1976. "Information and Competitive Price Systems," American Economic Review, American Economic Association, vol. 66(2), pages 246-53, May.
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