We examine how equity-market frictions that restrict pessimistic trading, such as short-sale constraints, affect assessments of default risk. We find that these frictions decrease the usefulness of equity-market variables for identifying defaulting firms but increase their usefulness for...

Using a structural model of default, we construct a measure of systemic default defined as the probability that many firms default at the same time. We account for correlations in defaults between firms through exposures to common shocks. The systemic default measure spikes during recession...