Do wage differences between workers with high and low levels of education, between males and females and between workers with different levels of experience reflect differences in productivity? We address this set of questions on the basis of a data set with variables for individual workers...

Despite important policy implications associated with the allocation of education resources, evidence on the effectiveness of school inputs remains inconclusive. In part, this is due to endogenous allocation; families sort themselves non-randomly into school districts and school districts...

Evidence on the effectiveness of school inputs remains inconclusive, partly due to the challenge of identification as families sort themselves into school districts and resources are potentially allocated to compensate (or reinforce) differences in pupil abilities. Using variation in school...

Whether increasing resource use in schools has a positive effect on pupil performance has occupied governments, parents and researchers for decades. A main challenge when trying to answer this question is to separate the effects of school resources from the effects of pupils’ family...

This article analyzes the riskiness of the R&D strategies chosen by firms engaged in a "winner-takes-all" patent race. In contradiction to Dasgupta and Stiglitz (1980) we show that, when the distribution of invention times is symmetric, the market equilibrium cannot be safer and may be riskier...

The public health care systems in the Nordic countries provide high quality care almost free of charge to all citizens. However, social inequalities in health persist. Previous research has, for example, documented substantial educational inequalities in cancer survival. We investigate to what...

In 1998 the Norwegian government introduced a program that increased parents’ incentives to stay home with children under the age of three. Many eligible children had older siblings, and we investigate how this program affected long-run educational outcomes of the older siblings. Using...