For various reasons the relationship between age and productivity is a matter of policy concern. I present new empirical research showing how productivity is affected by age. I study age effects at the individual level by analyzing data on running and publishing in economic journals. Furthermore...

Preferences and attitudes to illicit drug policy held by individuals are likely to be an important in uence in the development of illicit drug policy. Amongst the key factors impacting on an individuals preferences over substance use policy are their beliefs about the costs and benefits of drug...

This paper investigates whether cannabis use leads to worse mental health. To do so, we account for common unobserved factors affecting mental health and cannabis consumption by modeling mental health jointly with the dynamics of cannabis use. Our main finding is that using cannabis increases...

Abstract: This paper examines whether unemployment of non-western immigrant workers in the Netherlands was disproportionally affected by the Great Recession. We analyze unemployment data covering the period November 2007 to February 2013 finding that the Great Recession affected unemployment...

This paper provides a comprehensive evaluation of benefit sanctions, i.e. temporary reductions in unemployment benefits as punishment for noncompliance with eligibility requirements. In addition to the effects on unemployment durations, we evaluate the effects on post-unemployment employment...

Abstract: Intergenerational immigrant integration is central to the economic growth and social development of many countries whose populations comprise a substantial share of the children and grandchildren of immigrants. In addition to basic demographics, relevant economic theories and...

This paper uses information from a panel of Dutch firms to investigate the labor productivity effects of performance related pay (PRP).We find that PRP increases labor productivity at the firm level with about 9%.

This paper is on compulsion in active labour market programs (ALMP). When an unemployed worker has to participate in a programme order to remain eligible for benefits there are two separate effects. First, there is the treatment effect, i.e. the program makes the worker more attractive for a...

As of 1999, all new-built homes in the Netherlands have to have burglary-proof windows and doors. We provide evidence that this large-scale government intervention in the use of self-protective measures lowers crime and improves social welfare. We find the regulatory change to have reduced...