The paper extends Ng's (1987) model of optimal taxation of diamond goods - goods that are valued solely for their costliness. We extend his findings by analyzing how other goods should be taxed in the presence of pure diamond goods; modified Ramsey rules are derived in a basic single-type model...

The increased demand for a more equal parental sharing of the responsibilities for children has led many countries to reconstruct their parental leave systems so to provide stronger incentives for fathers to participate in childcare. Father’s quotas are becoming widely spread across Europe....

Results in behavioral economics suggest that material incentives can crowd out effort, if agents are mission-oriented rather than self-interested. We test this prediction on a sample of nonprofit organizations in Sweden. Swedish nonprofit organizations receive tax funds annually to promote...

Results in behavioral economics suggest that material incentives can crowd out effort, if agents are mission-oriented rather than self-interested. We test this prediction on a sample of nonprofit organizations in Sweden. Swedish nonprofit organizations receive tax funds annually to promote...

Based on a randomised experiment we estimate effects from notification to medical doctors of tighter monitoring of their medical certificates. Both time prescribed by the doctor certificates for sick leave (prescribed sick leave) and the impact on the length of the actual sickness absence...

This paper estimates the effects of early interventions in the Swedish sickness insurance system. The aim of the interventions is to screen and, further to, rehabilitate sick listed individuals. We find that the early interventions – in contrast to what is expected – increase the inflow into...