Diese Arbeit untersucht die Auswirkungen einer Erhöhung der Lebensarbeitszeit für den Beitragssatz einer umlagefinanzierten Rentenversicherung. Dabei werden die von der längeren Lebensarbeitszeit betroffenen Personen durch versicherungsmathematische Zuschläge entschädigt. Es wird gezeigt,...

Options for reforming unfunded public pension schemes that are now being discussed all share the feature that the burden induced by demographic change would be shifted towards presently living and away from unborn generations. Existing models of the political economy of pension reform can not...

In this paper we analyse the possibility to construct intergenerational criteria of choice within the framework of methodological individualism. The main result of this analysis is, that intergenerational criteria as an aggregation of preferences of current and future individuals do not exist....

The previous welfare-economics literature on intergenerational transfers through unfunded public pension schemes studies either “small open” economies, which can borrow or lend abroad without restriction at constant interest rates, or “closed” economies, in which domestic capital...

Our analysis of a game-theoretic model of liberal rights had two main purposes: First, we gave a characterization of Gibbard's solution to the liberal paradox in terms of a game equilibrium. Secondly, we asked for preference restrictions that can guarantee the existence of a Pareto-optimal...

A basic principle of statutory retirement insurance in Germany is the proportionality between earnings and retirement benefits called “Teilhabeäquivalenz”. Advocates of the system defend this principle, arguing that it ensures distributive neutrality. However, this assertion is wrong...