In contrast to West-Germany, illicit drugs were virtually absent in East-Germany until 1990. Yet, after the collapse of the former GDR, East-Germany was expected to encounter a sharp increase in the prevalence of substance abuse. By analyzing individual data, we find that East-Germany largely...

The inefficiency of health care provision presents a major health policy concern in Germany. In order to address the issue of efficiency comprehensively - i.e. at the level of the entire system of health care provision rather than individual service providers - empirical analyses are often based...

In contrast to conventional model selection criteria, the Focused Information Criterion (FIC) allows for purpose-specific choice of models. This accommodates the idea that one kind of model might be highly appropriate for inferences on a particular parameter, but not for another. Ever since its...

The classical Heckman (1976, 1979) selection correction estimator (heckit) is misspecified and inconsistent if an interaction of the outcome variable and an explanatory variable matters for selection. To address this specification problem, a full information maximum likelihood estimator and a...

Die Koexistenz von gesetzlicher und privater Krankenversicherung in Deutschland ist Gegenstand intensiver öffentlicher Debatten. Da lediglich eine Minderheit der Versicherten die Wahl zwischen beiden Systemen hat, wird diese Minderheit oft als privilegiert betrachtet. Auf Basis des...

This paper addresses the question of whether the effect of parental drinking on children’s later consumption of alcohol - which is frequently found to be of positive sign - exhibits a certain pattern of heterogeneity. In particular, if this effect is more prominent in the upper tail than...