This paper aims to identify selection separately from moral hazard in a mandatory health insurance market where enrollees can freely choose their deductible scheme. The empirical analysis uses a unique data set for the period 2010-2013 covering the whole population of the Netherlands at enrollee...

We study optimal risk adjustment in imperfectly competitive health insurance markets when high-risk consumers are less likely to switch insurer than low-risk consumers. First, we find that insurers still have an incentive to select even if risk adjustment perfectly corrects for cost differences...

The financial crisis has been attributed partly to perverse incentives for traders at banks and has led policy makers to propose regulation of banks' remuneration packages. We explain why poor incentives for traders cannot be fully resolved by only regulating the bank's top executives, and why...