This paper reports on a randomized field experiment in which first-year university students could earn financial rewards for passing all first-year requirements within one year. Financial incentives turn out to have positive effects on achievement of high-ability students, whereas they have a...

In this paper we define and estimate measures of labor market frictions using data on job durations. We compare different estimation methods and different types of data. We propose and apply an unconditional inference method that can be applied to aggregate duration data. It does not require...

This paper implements a method to identify and estimate treatment effects in a dynamic setting where treatments may occur at any point in time. By relating the standard matching approach to the timing-of-events approach, it demonstrates that effects of the treatment on the treated at a given...