Currency Bias of Sovereign Wealth Fund Investments

초록

This study provides an alternative explanation for the poor performance of sovereign wealth fund (SWF) investments based on key currency bias. Using the international portfolio rebalancing model and the matched firm data of 18,704 and 8,267 cases of SWFs' cross-border investment during 1999-2017, evidence strongly supports the key currency bias hypothesis for the determination of SWFs' cross-border investments. In sharp contrast to the relationship between the exchange rate and international portfolio flows, the economic rationalefor the currency bias is to provide hedging against the exchange risk of SWFs' cross-border investments by matching the denominated key currency of the SWF sources with the other denominated currency offoreign target assets. This study complements the existing finance literature by providing portfolio implications for analyzing cross-border investments by commercial institution investors and portfolio rebalancing offinancial assets between different currency zones.

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