This paper considers a simple model of credit risk and derives the limit distribution of losses under different assumptions regarding the structure of systematic and idiosyncratic risks and the nature of firm heterogeneity. The theoretical results obtained indicate that if firm-specific risk...

Present value calculations require predictions of cash flows both at near and distant future points in time. Such predictions are generally surrounded by considerable uncertainty and may critically depend on assumptions about parameter values as well as the form and stability of the data...

This paper applies a standard treatment effects model to determine that participation in Freshman Learning Communities (FLCs) improves academic performance and retention. Not controlling for individual self-selection into FLC participation leads one to incorrectly conclude that the impact is the...

This paper uses a unique personnel data set to explore job separation behavior among welfare hires. Our results indicate that welfare hires are no less stable than similar nonwelfare hires; however, time until separation does differ across welfare status by reason for separation. We also found...

The purpose of this paper is to determine whether workers’ commitment to the labor force declined after 9/11, as many popular press accounts at the time suggested it would. The results indicate that any measured decline in hours spent working was the result of economic conditions rather than...