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International Risk Sharing: Through Equity Diversification or Exchange Rate Hedging?

  • Akito Matsumoto
  • Charles Engel

Well-known empirical puzzles in international macroeconomics concern the large divergence of equilibrium outcomes for consumption across countries from the predictions of models with full risk sharing. It is commonly believed that these risk-sharing puzzles are related to another empirical puzzle-the home-bias in equity puzzle. However, we show in a series of dynamic models that the full risk sharing equilibrium may not require much diversification of equity portfolios when there is price stickiness of the degree typically calibrated in macroeconomic models. This conclusion holds under a range of assumptions about home bias in preferences, price setting as PCP or LCP, and with or without nominal wage stickiness as long as there is some price rigidity.

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Paper provided by International Monetary Fund in its series IMF Working Papers with number 09/138.

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Length: 46
Date of creation: 01 Jul 2009
Date of revision:
Handle: RePEc:imf:imfwpa:09/138
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  1. 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.
  2. Nicolas Coeurdacier & Robert Kollmann & Philippe Martin, 2007. "International Portfolios with Supply, Demand and Redistributive Shocks," NBER Working Papers 13424, National Bureau of Economic Research, Inc.
  3. Baxter, M. & Jermann, U.J., 1993. "The International Diversification Puzzle is Worse than you Think," RCER Working Papers 350, University of Rochester - Center for Economic Research (RCER).
  4. Martin D. D. Evans (Georgetown University) and Viktoria Hnatkovska (Georgetown University), 2005. "Solving General Equilibrium Models with Incomplete Markets and Many Assets," Working Papers gueconwpa~05-05-18, Georgetown University, Department of Economics.
  5. Lane, Philip R. & Shambaugh, Jay C., 2010. "The long or short of it: Determinants of foreign currency exposure in external balance sheets," Journal of International Economics, Elsevier, vol. 80(1), pages 33-44, January.
  6. repec:spo:wpmain:info:hdl:2441/c8dmi8nm4pdjkuc9g708n2m4m is not listed on IDEAS
  7. Anna Pavlova & Roberto Rigobon, 2007. "An Asset-Pricing View of External Adjustment," NBER Working Papers 13468, National Bureau of Economic Research, Inc.
  8. Heathcote, Jonathan & Perri, Fabrizio, 2008. "The International Diversification Puzzle is Not as Bad as You Think," CEPR Discussion Papers 6982, C.E.P.R. Discussion Papers.
  9. Coeurdacier, Nicolas & Kollmann, Robert & Martin, Philippe, 2008. "International Portfolios, Capital Accumulation and Foreign Assets Dynamics," CEPR Discussion Papers 6902, C.E.P.R. Discussion Papers.
  10. Nicolas Coeurdacier & Pierre-Olivier Gourinchas, 2008. "When bonds matter: home bias in goods and assets," Working Paper Series 2008-25, Federal Reserve Bank of San Francisco.
  11. Akito Matsumoto, 2007. "The Role of Nonseparable Utility and Nontradeables in International Business Cycles and Portfolio Choice," IMF Working Papers 07/163, International Monetary Fund.
  12. Kollmann, Robert, 2006. "International Portfolio Equilibrium and the Current Account," CEPR Discussion Papers 5512, C.E.P.R. Discussion Papers.
  13. Christou, Costas & Dellas, Harris & Gagales, Anastassios, 1993. "Optimal monetary policy: A new test," Journal of Policy Modeling, Elsevier, vol. 15(2), pages 179-197, April.
  14. 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.
  15. repec:spo:wpecon:info:hdl:2441/c8dmi8nm4pdjkuc9g7485ckbm is not listed on IDEAS
  16. repec:spo:wpecon:info:hdl:2441/c8dmi8nm4pdjkuc9g708n2m4m is not listed on IDEAS
  17. Lucas, Robert Jr., 1982. "Interest rates and currency prices in a two-country world," Journal of Monetary Economics, Elsevier, vol. 10(3), pages 335-359.
  18. Roberto Rigobon & Anna Pavlova, 2011. "Equilibrium Portfolios and External Adjustment under Incomplete Markets," 2011 Meeting Papers 1349, Society for Economic Dynamics.
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