This paper investigates how the stock market reacts to firm level liquidity shocks. We find that negative and persistent liquidity shocks not only lead to lower contemporaneous returns, but also predict negative returns for up to six months in the future. Long-short portfolios sorted on past...

This study examines the effect of options trading on the January effect in the period 1996-2009. The options market offers investors an alternative trading venue that circumvents several trading limitations in the equity market and hence enables a higher level of arbitrage activities. In a...

This study examines the effect of options trading on the January effect in the period 1996-2009. The options market offers investors an alternative trading venue that circumvents several trading limitations in the equity market and hence enables a higher level of arbitrage activities. In a...

We document a significant positive relation between earnings announcement idiosyncratic volatility and stock returns in the 10-day window before future earnings announcements. The average of risk-adjusted return differences between stocks with the highest earnings announcement idiosyncratic...

We present resiliency as a measure of liquidity, and assess its relationship to expected returns. We establish a covariance-based measure, RES, that captures opening period resiliency and, using it, find a significant non-resiliency premium that ranges from 33 to 57 basis points per month. The...

We study the role of E-commerce livestream flows growth in the stock price discovery process. Using a proprietary data set on firm-level E-commerce livestream flows records during July 2016 to December 2020 from the leading E-commerce livestream platform in China, we find that E-commerce...

This paper investigates how the stock market reacts to firm level liquidity shocks. We find that negative and persistent liquidity shocks not only lead to lower contemporaneous returns, but also predict negative returns for up to six months in the future. Long-short portfolios sorted on past...

This survey introduces and reviews the field of behavioral finance. It outlines the traditional finance approach, which builds upon rational acting investors, its assumptions, and its shortcomings. Moreover, it surveys the main findings from psychology and sociology that contrast with this...

Passive investing, particularly in emerging markets, has become an increasingly popular means of quick, “diversified” exposure to a particular segment of the markets. Defensive investors, as Benjamin Graham noted, would be best served owning a diversified list of leading companies. Yet it's...