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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. Kollmann, Robert, 2006. "International Portfolio Equilibrium and the Current Account," CEPR Discussion Papers 5512, C.E.P.R. Discussion Papers.
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  3. Nicolas Coeurdacier & Pierre-Olivier Gourinchas, 2009. "When bonds matter: home bias in goods and assets," Sciences Po publications info:hdl:2441/c8dmi8nm4pd, Sciences Po.
  4. 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.
  5. Coeurdacier, Nicolas & Kollmann, Robert & Martin, Philippe, 2009. "International portfolios, capital accumulation and foreign assets dynamics," Globalization and Monetary Policy Institute Working Paper 27, Federal Reserve Bank of Dallas.
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  7. 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.
  8. Marianne Baxter & Urban J. Jermann & Robert G. King, 1995. "Nontraded Goods, Nontraded Factors, and International Non-Diversification," NBER Working Papers 5175, National Bureau of Economic Research, Inc.
  9. Pavlova, Anna & Rigobon, Roberto, 2010. "An asset-pricing view of external adjustment," Journal of International Economics, Elsevier, vol. 80(1), pages 144-156, January.
  10. Fabrizio Perri & Jonathan Heathcote, 2007. "The International Diversification Puzzle Is Not as Bad as You Think," Working Papers 2007-3, University of Minnesota, Department of Economics, revised 08 Oct 2007.
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  12. 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.
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  14. Marianne Baxter & Urban J. Jermann, 1995. "The International Diversification Puzzle is Worse Than You Think," NBER Working Papers 5019, National Bureau of Economic Research, Inc.
  15. Harold L. Cole & Maurice Obstfeld, 1989. "Commodity Trade and International Risk Sharing: How Much Do Financial Markets Matter?," NBER Working Papers 3027, National Bureau of Economic Research, Inc.
  16. 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.
  17. 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.
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