We document time varying investor sentiment for corporate social responsibility (“CSR”) performance. We show that announcements of CSR activities generate positive abnormal returns during periods when investors place a valuation premium on CSR performance. In addition, we find that firms...

Based on U.S. stock returns from 1973 to 2015, this study found that the asset growth anomaly does not seem to be pervasive and investable. The trading strategy is robust only among a tiny portion of the equity market in terms of both number of stocks and capitalization. In addition to...

This study investigates whether firm opacity impacts the investment behaviors and outcomes of retail investors using the fintech brokerage Robinhood (i.e., “RH investors”). We theorize that higher firm opacity leads RH investors to make nonrational investment decisions. The testable...

Following periods of intense technological innovation, R&D is a critical driver of technology diffusion, but it is subject to frictions that can slow down the diffusion process. Building on the literature that documents the real effects of investor sentiment, we study whether sentiment...

Due to frictions like informational externalities, firms invest too little in learning the productivity of newly available technologies through small-scale experimentation. I study the effect of investor sentiment on the relation between technological innovation and future firm-level R&D...

We study whether managers' are correct in their perception that investors are myopic towards more ‘innovative' investments, defined in this paper as those in research and development (R&D) and information technology (IT). We first examine the stock market's relative response to investments...

This is the first large-scale study to examine the peer companies used by sell-side equity analysts in their research reports. Using a unique hand-collected data set, we investigate the relation between peer valuation and peer choice by analysts. Controlling for numerous factors, we find that...

We examine (i) whether the business practices of Berkshire Hathaway investees are consistent with Warren Buffett's public statements on what constitutes good accounting, governance and investing practices and (ii) whether these practices are associated with Berkshire's initial “selection” or...

This is the first large-scale study to examine the peer companies used by sell-side equity analysts in their research reports. Using a unique hand-collected data set, we investigate the relation between peer valuation and peer choice by analysts. Controlling for numerous factors, we find that...

We study whether firms increase share repurchases when their shareholders have short-term preferences. We base our analysis on economic theory that establishes that greater transparency about an agent's action increases the agent's career concerns and short-termism. We use a...