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Working Paper
The Performance of International Equity Portfolios
This paper evaluates the performance of U.S. investors' portfolios in the equities of over 40 countries over a 25-year period. We find that these portfolios achieved a significantly higher Sharpe ratio than foreign benchmarks, especially since 1990. We uncover three potential reasons for this success. First, U.S. investors abstained from momentum trading and instead sold past winners. Second, conditional performance tests provide no evidence that the superior (unconditional) performance owed to private information, suggesting that the successful exploitation of publicly available information ...
Working Paper
The Political Origin of Home Bias: The Case of Europe
We show that politics is at the root of the banks-sovereign nexus that exacerbated the Eurozone crisis. First, government-owned banks or banks with politicians in the board of directors display higher home bias in sovereign debt compared to privately-owned banks throughout the 2010-2013 period. Second, only government-owned banks increased the home bias during the sovereign crisis (moral suasion). We exploit the fact that equity injections (bail-outs) by domestic governments were not directly targeted to politically connected banks to show that, upon receiving such assistance, only ...