We explore if sleep deprivation affects how investors react to relevant news. Using the transition to Daylight Saving Time (DST) in the spring as a disruption to sleeping patterns, we show that investors underreact to a firm’s earnings surprise in the days after the transition to DST. Further,...

Measuring fund clientele by investors’ revealed usage of different asset pricing models, we show that funds with more CAPM investors perform better, all else equal. This predictability is not because the CAPM-alpha predicts future fund performance but because it reflects investor...