This paper studies idiosyncratic risk of new ventures. An option-based model of a new venture with multistage investments and jumps is developed. Our model explains (1) why new ventures' idiosyncratic volatility eventually decreases as they clear Ramp;D investment stages and become mature firms...

We discover three significant periodicities in the autocorrelation of intraday stock returns. We demonstrate that (i) the autocorrelation is 64% more negative during afternoons than during mornings, (ii) the autocorrelation is more negative Tuesdays through Fridays than on Mondays, (iii) overall...

We study the performance consequences of exposure to corporate social responsibility (CSR) through stock holdings for mutual funds. Using a large sample of U.S. domestic mutual funds, we find that funds overweighting low-CSR stocks outperform funds underweighting them by between 1.7% and 2.6%...

This paper hypothesizes that market liquidity constrains mutual fund managers' ability to outperform, which introduces a higher liquidity risk exposure (beta) for skilled managers. Consistently, we document an annual liquidity beta performance spread of 4% in the cross-section of mutual funds...