We shed new light on the effects of having children on hourly wages by exploiting access to data on the entire population of employed same-sex twins in Denmark. Our second contribution is the use of administrative data on absenteeism; the amount of hours off due to holidays and sickness. Our...

We estimate the effect of motherhood on wages using matching. We distinguish between net and direct effects. The net effect includes the total wage costs, whereas the direct represents the causal effect. Since covariates are likely affected by motherhood, the latter effect is not immediately...

We estimate the effect of motherhood on wages using matching. We distinguish between net and direct effects. The net effect includes the total wage costs, whereas the direct represents the causal effect. Since covariates are likely affected by motherhood, the latter effect is not immediately...

We study a simple evolutionary bargaining game and show that the efficiency of bargaining behavior can depend crucially on the tie breaking rule players use. In fact, in a certain limit all the surplus is wasted. Inefficiency arises for any role assignment procedure, as long as there is some...

The extensive empirical literature on the validity of Gibrat’s law does not in general verify the law as it finds that firms’ growth rates are negatively correlated with both firm size and age. However, some studies find that Gibrat’s law holds for sub-samples of firms such as large firms...