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A dynamic equilibrium of imperfectly integrated financial markets

  • Nicolas Coeurdacier
  • Stéphane Guibaud

This paper analyzes the determination of equity portfolios and country stock returns in the context of imperfectly integrated stock markets. We consider a continuous-time model of a two-country endowment economy in which the level of financial integration is captured by a proportional tax on foreign dividends. Despite the heterogeneity among investors induced by this tax, we obtain approximate closed-form expressions for asset prices and we characterize equity holdings and the joint process followed by country stock returns in equilibrium. Our model is consistent with a broad range of empirical findings on international financial integration. When the (endogenous) cross-country return correlation is high, small frictions in equity markets can generate a substantial home bias in portfolios. In the baseline version of our model, the cross- country return correlation is driven by fundamental correlation and portfolio rebalancing. In a two-good extension of the model, the adjustment of relative good prices can generate high stock return correlation even for a low level of fundamental correlation, thus magnifying the impact of the financial friction on portfolios.

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Paper provided by Sciences Po in its series Sciences Po publications with number info:hdl:2441/c8dmi8nm4pdjkuc9g81p80a37.

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Date of creation: Oct 2008
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Handle: RePEc:spo:wpmain:info:hdl:2441/c8dmi8nm4pdjkuc9g81p80a37
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  1. Lucas, Robert E, Jr, 1978. "Asset Prices in an Exchange Economy," Econometrica, Econometric Society, vol. 46(6), pages 1429-45, November.
  2. Antonin Aviat & Nicolas Coeurdacier, 2007. "The geography of trade in goods and asset holdings," Sciences Po publications info:hdl:2441/c8dmi8nm4pd, Sciences Po.
  3. Graciela Kaminsky & Sergio Schmukler, 2003. "Short-Run Pain, Long-Run Gain: The Effects of Financial Liberalization," NBER Working Papers 9787, National Bureau of Economic Research, Inc.
  4. Martin, Philippe & Rey, Hélène, 1999. "Financial Super-Markets: Size Matters for Asset Trade," CEPR Discussion Papers 2232, C.E.P.R. Discussion Papers.
  5. Harald Hau & Helene Rey, 2004. "Can Portfolio Rebalancing Explain the Dynamics of Equity Returns, Equity Flows, and Exchange Rates?," NBER Working Papers 10476, National Bureau of Economic Research, Inc.
  6. Eun, Cheol S & Janakiramanan, S, 1986. " A Model of International Asset Pricing with a Constraint on the Foreign Equity Ownership," Journal of Finance, American Finance Association, vol. 41(4), pages 897-914, September.
  7. Stockman, Alan C. & Dellas, Harris, 1989. "International portfolio nondiversification and exchange rate variability," Journal of International Economics, Elsevier, vol. 26(3-4), pages 271-289, May.
  8. 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.
  9. Basak, Suleyman & Cuoco, Domenico, 1998. "An Equilibrium Model with Restricted Stock Market Participation," Review of Financial Studies, Society for Financial Studies, vol. 11(2), pages 309-41.
  10. Akito Matsumoto & Charles Engel, 2005. "Portfolio Choice in a Monetary Open-Economy DSGE Model," IMF Working Papers 05/165, International Monetary Fund.
  11. Ian Martin, 2011. "The Lucas Orchard," NBER Working Papers 17563, National Bureau of Economic Research, Inc.
  12. Hietala, Pekka T, 1989. " Asset Pricing in Partially Segmented Markets: Evidence from the Finnish Market," Journal of Finance, American Finance Association, vol. 44(3), pages 697-718, July.
  13. 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.
  14. Rene M. Stulz, 1999. "Globalization of Equity Markets and the Cost of Capital," NBER Working Papers 7021, National Bureau of Economic Research, Inc.
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