Ju Hyun Pyun
Department of Economics
University of California, Davis
One Shields Ave.
Davis, CA 95616
NBER Working Papers and Publications
|March 2012||International Portfolio Diversification and Multilateral Effects of Correlations|
with Paul R. Bergin: w17907
Not only are investors biased toward home assets, but when they do invest abroad, they appear to favor countries with returns more correlated with home assets. Often attributed to a preference for familiarity, this ‘correlation puzzle’ further reduces effective diversification. However, a multi-country DSGE model of portfolio choice makes clear that the effects of a bilateral stock return correlation must be studied in the context of the full covariance structure. For example, the attractiveness of a foreign country as a hedge depends upon its hedging potential relative to other potential destination countries. This paper develops a new empirical approach based upon a multi-country theoretical model that controls for the full covariance structure in a theoretically rigorous yet tractable m...
Published: Bergin, Paul R. & Pyun, Ju Hyun, 2016. "International portfolio diversification and multilateral effects of correlations," Journal of International Money and Finance, Elsevier, vol. 62(C), pages 52-71. citation courtesy of