We study the impact of family size on intermediate and long-term outcomes using twin births as an exogenous source of variation in family size in an unusually rich dataset. Similar to recent studies, we find no evidence of a causal effect on long-term outcomes and show that not taking selection...

I estimate effects of the labor market training program "Swit" on employment using both register and survey data. Swit was initiated in an attempt to increase the supply of qualified personnel in the IT sector. Based on the register data I find a large positive effect from the Swit on employment...

We study the effects of screening stringency in the Swedish sickness insurance system by exploiting a field experiment. The experiment was conducted on 270,000 individuals in two geographical areas with the treatment group randomized by date of birth. The screening of eligibility was reduced for...