We develop a stock return-predictive measure based on an efficient aggregation of the portfolio holdings of all actively managed U.S. domestic equity mutual funds, and use this model to study the source of fund managers' stock-selection abilities. This "generalized-inverse alpha" (GIA) approach...

The introduction of the common currency in the Euro zone has led to a shift in factor importance from country to industry effects. Nevertheless, there is overwhelming evidence that the recent spate of crises has engendered a reversal in factor importance, returning it to country effect. This...