This introduction to a forthcoming NBER volume on 'The Internationalization of Equity Markets' argues that the existing finance literature has in some respects not kept pace with world trends. Most empirical studies fail to take due account of the diversity of assets offered by countries around...

Volatility tests are an alternative to regression tests for evaluating the joint null hypothesis of market efficiency and risk neutrality. Acomparison of the power of the two kinds of tests depends on what the alternative hypothesis is taken to be. By considering tests based on conditional...

We apply the method of constrained asset share estimation (CASE) to test the mean-variance efficiency (MVE) of the stock market. This method allows conditional expected returns to vary in relatively unrestricted ways. The data estimate reasonably the price of risk, and, in some cases, the MVE...