Does medical insurance affect health care demand and in the end contribute to improvements in the health status? Evidence for China for the year 2004, by means of the China Health and Nutrition Survey (CHNS), shows that health insurance does not affect health care demand in a significant manner....

Does medical insurance affect health care demand and in the end contribute to improvements in the health status? Evidence for China for the year 2004, by means of the China Health and Nutrition Survey (CHNS), shows that health insurance does not affect health care demand in a significant manner....

This paper presents a unified theory of human capital with both health capital and, what we term, skill capital endogenously determined within the model. By considering joint investment in health capital and in skill capital, the model highlights similarities and differences in these two...

This discussion paper has led to a publication in the <A href="http://www.sciencedirect.com/science/article/pii/S0047272710000721">'Journal of Public Economics'</A>. The quality of public management is a recurrent concern in many countries. Calls to attract the economy's best and brightest managers to the public sector abound. This paper studies self-selection into...</a>

Estimates of the effect of education on GDP (the social return) have been hard to reconcile with micro evidence on the private return to schooling. We present a simple explanation combining two ideas: imperfect substitution and endogenous skill-biased technological progress and use cross-country...

This paper proposes that risk aversion encourages individuals to invest in balancedskill profiles, making them more likely to become entrepreneurs. By not havingtaken this possible linkage into account, previous research has underestimated the impactsboth of risk aversion and balanced skills on...

We empirically analyze the language proficiency of migrants in the Netherlands. Traditionally, the emphasis in studying language proficiency and economic outcomes has been on the relation between earnings and indicators for language proficiency, motivated by the human capital theory. Here we...

There is no robust empirical support for the effect of financial incentives on the decision to work in selfemploymentrather than as a wage earner. In the literature, this is seen as a puzzle. We offer a focus on theopportunity cost, i.e. the wages given up as an employee. Information on income...

Studies on the determinants of the demand for higher education typically emphasizethe relevance of socio-economic factors, but leave the spatial dimensions of the prospectivestudents’ university choices largely unexplored. In this study, we investigate the determinantsof university entrance...

In an influential study, Mas and Moretti (2009) find that “worker effort is positively related to the productivity of workers who see him, but not workers who do not see him”. They interpret this as evidence that social pressure can reduce free riding. In this paper we report an attempt to...