Sick workers in many countries receive sick pay during their illness-related absences from the workplace. In several countries, the social security system insures firms against their workers' sickness absences. However, this insurance may create moral hazard problems for firms, leading to the...

We analyze if female athletes differ from male athletes in their competitive behavior, using data from high jump and pole vault competitions. We estimate if female athletes use risky strategies as often as male athletes and whether or nor their returns to risky strategies differ. Returns to...

We examine the effect of immigration on public spending from a theoretical (political economic) and an empirical perspective. We distinguish between public spending on private goods and on public goods. Our model implies that whether immigration increases or decreases public spending primarily...

We analyse the consequences of starting a wage subsidised job, "marginal employment", for unemployed workers. Marginal employment is a type of wage subsidy paid to unemployed workers and they do not lose their unemployment benefits if the wage is below a certain threshold. We ask if the...