We show that firms' R&D activities can predict the stock returns of their industry peers. When an industry experiences substantial R&D growth driven by the activities of a small group of firms, industry peers experience positive abnormal returns and abnormal operating performance despite having...

We perform portfolio-level analysis to understand insurance firms' preferred-habitat behavior in the government bond market. Based on portfolio durations and portfolio weights across maturities, we find that insurers' aggregate government bond portfolio has stable interest rate risk exposure and...

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...