International equity holdings and stock returns correlations: Does diversification matter at all for portfolio choice?

Nicolas Coeurdacier and Stéphane Guibaud

PSE Working Papers from HAL

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.

Keywords: international portfolio choice; international stock return correlations; financial integration; endogeneity bias (search for similar items in EconPapers)
Date: 2005-07
Note: View the original document on HAL open archive server: https://shs.hal.science/halshs-00590777v1
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Citations: View citations in EconPapers (8)

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Working Paper: International equity holdings and stock returns correlations: Does diversification matter at all for portfolio choice? (2005)
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