The launch of Viagra in April 1998 led to a historically unprecedented high usage of erectile dysfunction (ED) drugs. We test whether Viagra's introduction significantly influenced outcomes for its target population such as STD rates of older men, as well as its non-target populations, such as...

The changes-in-changes model extends the widely used difference-in-differences to situations where outcomes may evolve heterogeneously. Contrary to difference-in-differences, this model is invariant to the scaling of the outcome. This paper develops an instrumental variable changes-in-changes...

This research estimates the effect of the restriction of trading hours on the use of alcoholic beverages falling under the restriction, and to evaluate the substitution effect for the beverages not under the restriction. The hypotheses tested are that these policies decrease use of factory-made...

The launch of Viagra in April 1998 led to a historically unprecedented high usage of erectile dysfunction (ED) drugs. We test whether Viagra's introduction significantly influenced outcomes for its target population such as STD rates of older men, as well as its non-target populations, such as...

Diese Dissertation besteht aus drei Studien im Bereich der Gesundheitsökonomie, unter besonderer Berücksichtigung von Gender-Aspekten und öffentlichen Finanzen. Die ersten beiden Papiere untersuchen den Zusammenhang zwischen der Verhandlungsposition von Frauen in Paarbeziehungen und...

Background: Early childhood diarrheal disease jeopardizes child development by diverting nutrition away from physical and mental growth towards fighting illness. Consequently, early exposure to clean water interventions, which reduce diarrheal risk, may confer positive effects on downstream...