Diversified firms have different values than comparable portfolios of single-segment firms. These value differences must be due to differences in either future cash flows or future returns. Expected security returns on diversified firms vary systematically with relative value. Discount firms...

We test whether the impact of financial constraints on firm value is observable in assetquot; returns. We form portfolios of firms based on observable characteristics related to financialquot; constraints, and test for common covariation in the stock returns of these firms. Using severalquot;...

"I study battles between short sellers and firms. Firms use a variety of methods to impede short selling, including legal threats, investigations, lawsuits, and various technical actions intended to create a short squeeze. These actions create short sale constraints. Consistent with the...