Recent research shows that small trade imbalances are negatively associated with future stock returns. I find that this negative association only exists when stocks have initially been mispriced. In addition, mispricing occurs before the sentimental trading of small investors. In stocks with...

This paper empirically examines the effects of industrial and geographic innovations on firm-level profitability and stock returns due to spillovers. Using the data of U.S. patents and patent inventors, we propose empirical proxies for industrial and geographic spillovers and find a positive...

This paper studies the asset pricing implications of technology spillover, an important externality in innovation. While technology spillover enables firms to produce a variety of products that better satisfy their customers' love for variety, such benefits are procyclical, and investors...