Am 11. und 12. Juni 2013 hat das Bundesverfassungsgericht Experten zur Krisenpolitik der EZB angehört. Dabei ging es um die Frage, ob oder inwieweit die EZB durch das Outright-Monetary-Transactions-Programm (OMT) Kompetenzen beansprucht, die ihr nicht übertragen worden sind. Wir...

What is the strategic role of membership in an intergovernmental group with unanimity requirements if the group negotiates with an external player in a setting with incomplete information? Being in such a group has a strategic effect compared to negotiating as a standalone player and reduces the...

This paper explores the role of unilateral and idiosyncratic affection rents (love) from being married with a specific individual in a matching model with individuals with heterogenous matching frequencies. We show that individuals suffer in expectation from being matched with individuals with...

Against the background of the worldwide financial market and economic crisis, leading German economists urge policymakers to maintain the reform course in labor market policy. The experts warn not to jeopardize the clearly positive effects of the recent reform efforts. The Petersberg Declaration...

Vor dem Hintergrund der weltweiten Finanzmarkt- und Wirtschaftskrise fordern prominente Ökonomen zum Kurshalten in der deutschen Wirtschafts- und Arbeitsmarktpolitik auf. Die Experten legen einen Katalog mit Handlungsempfehlungen vor, der unter anderem die Korrektur falscher Erwerbsanreize...

We analyze the incidence and welfare effects of unit sales taxes in experimental monopoly and Bertrand markets. We find, in line with economic theory, that firms with no market power are able to shift a high share of a tax burden on to consumers, independent of whether buyers are automated or...

Das Bundesverfassungsgericht hat entschieden, dass die Erhebung einheitlicher Beitragssätze in der Gesetzlichen Pflegeversicherung für Personen mit und ohne Kinder gegen den Gleichheitsgrundsatz der Verfassung verstoße. In dieser Arbeit prüfen wir unterschiedliche Argumente dafür,...

This paper considers evolutionarily stable decisions about whether to initiate violent conflict rather than accepting a peaceful sharing outcome. Focusing on small sets of players such as countries in a geographically confined area, we use Schaffer's (1988) concept of evolutionary stability. We...

We characterize the unique Markov perfect equilibrium of a tug-of-war without exogenous noise, in which players have the opportunity to engage in a sequence of battles in an attempt to win the war. Each battle is an all-pay auction in which the player expending the greater resources wins. In...

We study endogenous group formation in tournaments employing experimental three-player contests. We find that players in endogenously formed alliances cope better with the moral hazard problem in groups than players who are forced into an alliance. Also, players who are committed to expending...