One common feature of all empirical wage curve studies is the underlying assumption that the unemployment rate is the natural indicator of labor market tightness. However, we observe that in many European countries governments spend remarkable amounts on labor market training programs. As...

Dieses Diskussionspapier ist als "Versuch" anzusehen, über einige Grundlagen unserer Wissenschaft zu schreiben, um bei der derzeitigen Konfrontation mit deprimierenden wirtschaftlichen Fakten und Perspektiven die fatale Wirkung von Begrifflichkeiten aufzuzeigen, die - unscharf bedacht - die...

Umweltökonomen empfehlen seit einiger Zeit den Einsatz von Abgaben und Steuern als marktwirtschaftliches Instrument der Umweltpolitik. Ziel der Steuer ist es, Marktversagen aufgrund negativer externer Effekte zu vermeiden bzw. zu reduzieren. In der Regel sollen die Steuern dem Staat Einnahmen...

Since the seminal work of Becker, the analysis of endogenous fertility has been based on the trade-off faced by parents between the quantity and the quality of their children. In order to have an interior solution, the model assumes that in case children work, still they get positive income from...

I show how the influences of unskilled immigration, differential fertility between immigrants and the local indigenous population, and incentives for investment in human capital combine to predict the decline of the West. In particular, indigenous low-skilled workers lose from unskilled...

Every finite noncooperative game can be presented as a weighted network congestion game, and also as a network congestion game with player-specific costs. In the first presentation, different players may contribute differently to congestion, and in the second, they are differently (negatively)...

The characteristics of endogenously determined sharing rules and the group-size paradox are studied in a model of group contest with the following features: (i) The prize has mixed privatepublic good characteristics. (ii) Groups can differ in marginal cost of effort and their membership size....

This paper presents some of the many issues involved in the granting of an amnesty to illegal immigrants. Complementing studies by Chau (2001, 2003), Karlson and Katz (2003) and Gang and Yun (2006), we consider government behavior with respect to allocations on limiting infiltration (border...