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Working Paper

How Do Factor Premia Vary Over Time? A Century of Evidence

We examine four prominent factor premia – value, momentum, carry, and defensive – over a century from six asset classes. The results offer support for time-varying risk premia models with important implications for theory seeking to explain the sources of factor returns.

Journal Article

Optimal Currency Hedging for International Equity Portfolios

We explore currency exposures in international equity portfolios by decomposing the optimal currency portfolio into a “hedge portfolio,” which minimizes equity volatility, and an “alpha seeking portfolio” based on the well-documented currency styles of value, momentum and carry.