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International equity holdings and stock returns correlations: Does Diversification Matter At All for Portfolio Choice?

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Author Info
Nicolas Coeurdacier
Stéphane Guibaud
Abstract

Do investors completely ignore the basics of portfolio theory? Given their over-exposure on domestic risk, investors should try to hedge this risk by picking foreign assets that have low correlation with their home assets. In the data though, we find a robust positive relationship between bilateral equity holdings and bilateral return correlations. We argue that this finding could be driven by the common impact of "financial integration" on cross-border equity holdings and on cross-market correlations. Indeed, when we instrument current correlation with past correlation to control for endogeneity, we recover asset demand functions that decrease with return correlation.

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Paper provided by PSE (Ecole normale supérieure) in its series PSE Working Papers with number 2005-23.

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Date of creation: 2005
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Handle: RePEc:pse:psecon:2005-23

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  4. Bekaert, Geert & Harvey, Campbell R, 1995. " Time-Varying World Market Integration," Journal of Finance, American Finance Association, vol. 50(2), pages 403-44, June. [Downloadable!] (restricted)
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  5. William N. Goetzmann & Lingfeng Li & K. Geert Rouwenhorst, 2001. "Long-Term Global Market Correlations," Yale School of Management Working Papers ysm237, Yale School of Management. [Downloadable!]
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  6. Portes, Richard & Rey, Helene, 2005. "The determinants of cross-border equity flows," Journal of International Economics, Elsevier, vol. 65(2), pages 269-296, March. [Downloadable!] (restricted)
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  7. Martin, Philippe & Rey, Helene, 2004. "Financial super-markets: size matters for asset trade," Journal of International Economics, Elsevier, vol. 64(2), pages 335-361, December. [Downloadable!] (restricted)
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  8. Jeffrey Frankel & Andrew Rose, 2002. "An Estimate Of The Effect Of Common Currencies On Trade And Income," The Quarterly Journal of Economics, MIT Press, vol. 117(2), pages 437-466, May. [Downloadable!] (restricted)
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  9. Maurice Obstfeld & Alan M. Taylor, 2002. "Globalization and Capital Markets," NBER Working Papers 8846, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
  10. Gian Maria Milesi-Ferretti & Philip R. Lane, 2004. "International Investment Patterns," IMF Working Papers 04/134, International Monetary Fund. [Downloadable!]
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  11. Rafael La Porta & Florencio Lopez-de-Silane & Andrei Shleifer, 2003. "What Works in Securities Law?," NBER Working Papers 9882, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  12. Philip R. Lane & G.M. Milesi-Ferretti, 2003. "International Financial Integration," Trinity Economics Papers 20031, Trinity College Dublin, Department of Economics. [Downloadable!]
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  13. French, Kenneth R & Poterba, James M, 1991. "Investor Diversification and International Equity Markets," American Economic Review, American Economic Association, vol. 81(2), pages 222-26, May. [Downloadable!] (restricted)
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  14. Maurice Obstfeld, 1995. "Risk-Taking, Global Diversification, and Growth," NBER Working Papers 4093, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  15. Flavin, Thomas J & Hurley, Margaret J & Rousseau, Fabrice, 2002. "Explaining Stock Market Correlation: A Gravity Model Approach," Manchester School, University of Manchester, vol. 70(0), pages 87-106, Supplemen. [Downloadable!] (restricted)
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  17. Glenn Otto & Graham Voss & Luke Willard, 2001. "Understanding OECD Output Correlations," RBA Research Discussion Papers rdp2001-05, Reserve Bank of Australia. [Downloadable!]
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  1. Philip R. Lane, 2006. "Global Bond Portfolios and EMU," International Journal of Central Banking, International Journal of Central Banking, vol. 2(2), May. [Downloadable!]
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  2. Pipat Luengnaruemitchai & Barry J. Eichengreen, 2006. "Bond Markets As Conduits for Capital Flows: How Does Asia Compare?," IMF Working Papers 06/238, International Monetary Fund. [Downloadable!]
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  3. Barbara Berkel, 2007. "Institutional Determinants of International Equity Portfolios - A Country-Level Analysis," Topics in Macroeconomics, Berkeley Electronic Press, vol. 7(1), pages 1388-1388. [Downloadable!] (restricted)
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