According to standard portfolio theory, the tangency portfolio is the only efficient stock portfolio. However, empirical studies show that an investment in the global minimum variance portfolio often yields better out-of-sample results than does an investment in the tangency portfolio and...

We introduce a new data set that comprises factor returns and returns of portfolios that are single- and double-sorted. We use this data set to perform asset-pricing tests for the german equity market. We test the standard cAPM, the Fama-French (1993) three-factor model, and the carhart (1997)...