We propose a simple methodology to evaluate a large number of potential explanations for the negative relation between idiosyncratic volatility and subsequent stock returns (the idiosyncratic volatility puzzle). We find that surprisingly many existing explanations explain less than 10% of the...

We study the effects of political uncertainty on commodity markets from both theoretical and empirical perspectives. Consistent with our theoretical predictions, commodity prices and inventories decline by 6.6% and 5.7%, respectively, and convenience yields increase by 1.9% in the quarter...

From 1963 through 2015, idiosyncratic risk (IR) is high when market risk (MR) is high. We show that the positive relation between IR and MR is highly stable through time and is robust across exchanges, firm size, liquidity, and market-to-book groupings. Though stock liquidity affects the...