Fertility and the provision of long-term care are connected by an aspect that has not received attention so far: both are time consuming activities that can be produced within the household or bought at the market and are, thus, connected through the intertemporal budget constraint of the...

Classical household theory predicts that adolescents facing a developed labour market should invest in formal education. In contrast, it is obvious that adolescents in subsistence economies should choose learning-by-doing approaches to working on the family farm. However, it is unclear what...

How to ban the fraudulent use of performance-enhancing drugs is an issue in all professional - and increasingly in amateur - sports. The main effort in enforcing a “clean sport” has concentrated on proving an abuse of performance-enhancing drugs and on imposing sanctions on teams and...

Conventional wisdom has it that economic training and education tends to produce less cooperative people – where cooperation means following group-oriented goals. This issue has attracted particular attention in discussions of the current economic crisis where it was asked if increasing...

Any cooperation that profits from relation-specific investments suffers from the well-known hold-up problem. If investments are not enforceable by an outside authority, the gains fall prey to individual opportunism caused by a free-rider problem. If, in addition, individual investments exhibit...

Having a child out of wedlock used to be associated with shame and scorn. This is mostly not the case any more in the western world. Therefore, freed from social sanctions, single motherhood has become an additional family-choice alternative for women, along with marriage and childlessness. Yet,...

This paper analyzes the impact of skill heterogeneity on regional patterns of production and housing in the presence of pecuniary externalities within a general-equilibrium framework assuming monopolistic competition at intermediate good markets. It shows that the interplay of heterogeneous...

This paper analyzes tax competition when welfare maximizing jurisdictions levy source-based corporate taxes and multinational enterprises choose tax-efficient capital-to-debt ratios. Under separate accounting, multinationals shift debt from low-tax to high-tax countries. The Nash equilibrium of...

This paper analyzes inter- and intraregional redistribution in a centralized state using the citizen-candidate model. It focuses on conflicting interests among regions and among citizens of varying mobility. If discrimination with respect to place of residence and degree of mobility is possible,...

This paper sets up a model of endogenous product differentiation to analyze the variety effects of international trade. In our model multi-product firms decide not only about the number of varieties they supply but also about the degree of horizontal differentiation between these varieties....