Die Private Krankenversicherung (PKV) in Deutschland ist ein System lebenslanger Verträge. Im Rahmen derartige Verträge findet ein Kapitalaufbau für jeweils eine Altersgruppe statt. Wenn die Versicherten jung sind, übersteigt die Prämie die Ausgaben des Versicherers. Die Sparbeiträge...

Summary In this paper the direction of the long-run migration incentive in the presence of closed borders and the long-run welfare effects of a regime change from “autarky” to “free permanent migration” are studied. A difference in birth-country specific fertility rates is treated as the...

Summary It is frequently observed that the implementation of green policies is delayed compared to the initial announcement. Considering a setting with a representative monopolist extracting a nonrenewable resource, we demonstrate that announcing a green policy, but then delaying its...

This paper discusses the welfare implications of a pay-as-you-go pension reform by introducing a child benefit in an endogenous fertility setting. In the model of a small open economy, higher fertility is associated with a reduction of lifetime labour supply. The optimum share of...

We analyze the optimal share of the skilled workforce over the course of development with two sectors using skilled and unskilled labor respectively, and technological spillovers from higher education enrollment. Productivity in each sector depends on the average quality of workers and the size...