This paper studies the impact of retail investors on stock liquidity during the Coronavirus pandemic lockdown in Spring 2020. Retail trading exhibits a sharp increase, especially among stocks with high COVID-19-related media coverage. Retail trading attenuated the rise in illiquidity by roughly...

This paper distinguishes between a stock's liquidity (liquidity level), as measured by the average cost of trading it, and its liquidity beta (liquidity risk), as measured by the covariation of its return with unexpected changes in aggregate liquidity. Although considered safe assets in general,...

Although generally considered safe assets, liquid stocks underperformed illiquid stocks during the financial crisis of 2008–2009. The performance of stocks during the crisis can be better explained by their historical liquidity betas (risk) than by their historical liquidity levels. Stocks...

This paper studies whether illiquidity affects the predictability of fundamental valuation variables. Firm-level, cross-sectional analyses show that returns of illiquid stocks contain less information about their firm's future earnings growth compared to those of more liquid stocks. A natural...