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...

This paper examines if the probability of leaving unemployment changes for unemployed parents with young children when childcare is available. To investigate this, I use the heterogeneity among Swedish municipalities before the implementation of a 2001 Swedish childcare reform making it...

This paper investigates the consequences of a series of Swedish policy changes beginning in 1989 where different regions started subsidizing the birth control pill. The reforms were significant and applied to all types of oral contraceptives. My identification strategy takes advantage of the...

Swedish elementary school children stopped receiving written end of year report cards following a grading reform in 1982. Gradual implementation of the reform creates an opportunity to investigate the effects of being graded on adult educational attainments and earnings for children in the...

This paper investigates whether mandatory activation programs for welfare receivers have effects on welfare participation, employment and disposable income. In contrast to earlier studies we are able to capture both entry and exit effects. The empirical analysis makes use of a Swedish welfare...

Previous literature shows that activation requirements for welfare participants decrease welfare participation. However, the dynamics have not been examined, and often only exit effects are analyzed. In this paper, we look more closely at the transition rates into and out of welfare. Using...

We extend the standard evaluation framework to allow for interactions between individuals within segmented markets. An individual's outcome depends not only on the assigned treatment status but also on (features of) the distribution of treatments in his market. To evaluate how the distribution...

This paper uses experimental data to study the effects of participation in intensified placement efforts on subsequent job chances and earnings. Five small-scale experiments were performed in four different regions of Sweden in 2004 and the control groups were offered the PES regular services....

The reform of the cash-based welfare program for single mothers in the US which occurred in the 1990s was the most important since its inception in 1935. The reforms imposed credible and enforceable work requirements into the program for the first time, as well as establishing time limits on...

This paper analyzes dynamic cartel formation and antitrust enforcement when firms operate in demand-related markets. We show that cartel prosecution can have a knock-on effect: desisting a cartel in one market reduces profits and cartel stability and leads to the break-up of the cartel in the...