This paper analyzes optimal unemployment insurance over the business cycle in a search model in which unemployment stems from matching frictions (in booms) and job rationing (in recessions). Job rationing during recessions introduces two novel effects ignored in previous studies of optimal...

Using administrative data on wealth, firm ownership structure, and migration in Sweden and Denmark, we document international migration patterns among the very wealthy, their impact on the economy, and how they respond to wealth taxation. We show that more than 20% of taxpayers liable to pay...

Despite considerable gender convergence over time, substantial gender inequality persists in all countries. Using Danish administrative data from 1980-2013 and an event study approach, we show that most of the remaining gender inequality in earnings is due to children. The arrival of children...

This paper investigates if the impact of children on the labor market trajectories of women relative to men child penalties can be explained by the biological links between mother and child. We estimate child penalties in biological and adoptive families using event studies around the arrival of...

"An NBER digest for this paper is available.This paper analyzes the effects of top earnings tax rates on the international migration of top football players in Europe. We construct a panel data set of top earnings tax rates, football player careers, and club performances in the first leagues of...