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Return Volatility and International Portfolio Choice

Listed author(s):
  • Nicolas Coeurdacier

    (ESSEC and Paris School of Economics)

  • Robert Kollmann

    (ECARES, Free University of Brussels & CEPR)

  • Philippe Martin

    (University Paris I & CEPR)

Despite the liberalization of international capital flows during the last decades, typical investors continue to hold most of their wealth in domestic assets. International RBC models can explain that 'portfolio home bias', if consumption home bias is incorporated, i.e. the fact that the bulk of consumption consists of locally produced goods (Obstfeld (2006)). However RBC models fail to explain the high volatility of equity returns and real exchange rates, and predict excessive cross-country risk sharing. This paper develops a model that simultaneously generates realistic portfolio holdings and return volatilities, and imperfect risk pooling. In the structure here, there are supply shocks, aggregate demand shocks (variations in government purchases, taste shocks), and exogenous shocks to equity risk premia. There is trade in domestic and foreign stocks and bonds. Demand shocks and risk premium shocks generate realistic return volatility, and create a strong bias towards holding local equity. Intuitively, a country-specific demand increase raises the relative price of the locally produced good, if there is consumption home bias, and it thus raises the relative return on local equity; local equity thus has a high return, in states of the world in which the household wishes to consume a lot. By biasing their portfolios toward local equity, countries can also insulate their net foreign assets and consumption spending, from exogenous risk premium shocks. When taste shocks follow random walks, there are sunspot equilibria characterized by sizable departures from full risk sharing.

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File URL: https://economicdynamics.org/meetpapers/2007/paper_474.pdf
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Paper provided by Society for Economic Dynamics in its series 2007 Meeting Papers with number 474.

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Date of creation: 2007
Handle: RePEc:red:sed007:474
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Society for Economic Dynamics Marina Azzimonti Department of Economics Stonybrook University 10 Nicolls Road Stonybrook NY 11790 USA

Web page: http://www.EconomicDynamics.org/
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  1. Fabio Ghironi & Jaewoo Lee & Alessandro Rebucci, 2007. "The Valuation Channel of External Adjustment," NBER Working Papers 12937, National Bureau of Economic Research, Inc.
  2. Martin, Philippe & Rey, Hélène, 2005. "Globalization and Emerging Markets: With or Without Crash?," CEPR Discussion Papers 5165, C.E.P.R. Discussion Papers.
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  4. Cole, Harold L. & Obstfeld, Maurice, 1991. "Commodity trade and international risk sharing : How much do financial markets matter?," Journal of Monetary Economics, Elsevier, vol. 28(1), pages 3-24, August.
  5. Philippe Martin & Helene Rey, 2001. "Financial Super-Markets: Size Matters for Asset Trade," NBER Working Papers 8476, National Bureau of Economic Research, Inc.
  6. V. V. Chari & Patrick J. Kehoe & Ellen R. McGrattan, 2002. "Can sticky price models generate volatile and persistent real exchange rates?," Staff Report 277, Federal Reserve Bank of Minneapolis.
  7. Kollmann, R., 1992. "Consumption, Real Exchange Rates and the Structure of International Asset Markets," Cahiers de recherche 9232, Centre interuniversitaire de recherche en économie quantitative, CIREQ.
  8. Backus, David K. & Smith, Gregor W., 1993. "Consumption and real exchange rates in dynamic economies with non-traded goods," Journal of International Economics, Elsevier, vol. 35(3-4), pages 297-316, November.
  9. Ghironi, Fabio, 2006. "Macroeconomic interdependence under incomplete markets," Journal of International Economics, Elsevier, vol. 70(2), pages 428-450, December.
  10. Maurice Obstfeld & Kenneth Rogoff, 2001. "The Six Major Puzzles in International Macroeconomics: Is There a Common Cause?," NBER Chapters, in: NBER Macroeconomics Annual 2000, Volume 15, pages 339-412 National Bureau of Economic Research, Inc.
  11. Akito Matsumoto & Charles Engel, 2005. "Portfolio Choice in a Monetary Open-Economy DSGE Model," IMF Working Papers 05/165, .
  12. Robert Kollmann, 2006. "A dynamic general equilibrium model of international portfolio holding: comment," ULB Institutional Repository 2013/7622, ULB -- Universite Libre de Bruxelles.
  13. Michael B. Devereux & Alan Sutherland, 2007. "Solving for Country Portfolios in Open Economy Macro Models," Working Papers 162007, Hong Kong Institute for Monetary Research.
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  17. Bottazzi, Laura & Pesenti, Paolo & van Wincoop, Eric, 1996. "Wages, profits and the international portfolio puzzle," European Economic Review, Elsevier, vol. 40(2), pages 219-254, February.
  18. repec:spo:wpecon:info:hdl:2441/9261 is not listed on IDEAS
  19. Adler, Michael & Dumas, Bernard, 1983. " International Portfolio Choice and Corporation Finance: A Synthesis," Journal of Finance, American Finance Association, vol. 38(3), pages 925-984, June.
  20. Karen K. Lewis, 1999. "Trying to Explain Home Bias in Equities and Consumption," Journal of Economic Literature, American Economic Association, vol. 37(2), pages 571-608, June.
  21. Bhamra, Harjoat S. & Coeurdacier, Nicolas & Guibaud, Stéphane, 2014. "A dynamic equilibrium model of imperfectly integrated financial markets," Journal of Economic Theory, Elsevier, vol. 154(C), pages 490-542.
  22. Baxter, Marianne & Jermann, Urban J. & King, Robert G., 1998. "Nontraded goods, nontraded factors, and international non-diversification," Journal of International Economics, Elsevier, vol. 44(2), pages 211-229, April.
  23. Robert Kollmann, 1996. "Incomplete asset markets and the cross-country consumption correlation puzzle," ULB Institutional Repository 2013/7640, ULB -- Universite Libre de Bruxelles.
  24. Pesenti, Paolo & van Wincoop, Eric, 2002. "Can Nontradables Generate Substantial Home Bias?," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 34(1), pages 25-50, February.
  25. Kollmann, Robert, 1991. ""Essays on International Business Cycles", PhD thesis, Economics Department, University of Chicago, 1991," MPRA Paper 69905, University Library of Munich, Germany.
  26. Kollmann, Robert, 2006. "International Portfolio Equilibrium and the Current Account," CEPR Discussion Papers 5512, C.E.P.R. Discussion Papers.
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