Moral rules and social norms influence whether individuals break the law. We characterize optimal law enforcement when some individuals obey internalized moral rules and implement social norms for other individuals who prefer to comply with them. Moral individuals and norm followers are linked...

Despite recent advances in reputation technologies, it is not clear how reputation systems can affect human cooperation in social networks. Although it is known that two of the major mechanisms in the evolution of cooperation are spatial selection and reputation-based reciprocity, theoretical...

Die Anlage in Aktien spielt in der bankbasierten Ökonomie Deutschlands eine weitaus geringere Rolle als in den marktbasierten USA. Das sich hierin widerspiegelnde anders geartete Risikoverhalten ist nur vor dem Hintergrund unterschiedlicher kultureller Kontexte zu verstehen. Die Deutschen sind...

This paper investigates whether immigrants adapt to the attitudes of the majority population in the host country by focusing on the effect of ethnic persistence and assimilation on individual risk proclivity. Employing information from a unique representative German survey, we find that...

This paper explains why the approach taken so far to mitigate global climate change has failed. The central reason is an inability to enforce targets and timetables. Current proposals recommending even stricter emission limits will not help unless they are able to address the enforcement...

Zahlreiche Börsenskandale, die Abnahme der Zahlungsmoral und der Unmut der Bürger angesichts von Reformen lenken das Interesse auf die Bedeutung von Vertrauen für die Marktwirtschaft. Wie notwendig ist Vertrauen für die Wirtschaft und wodurch wird Vertrauen enttäuscht? Erodiert die...

Im Rahmen der integrierten Energie- und Klimapolitik sind auf europäischer Ebene in den letzten zwei Jahren wesentliche politische Ziele und Mechanismen zu deren Umsetzung beschlossen worden: Bis 2020 sollen in Europa die Treibhausgasemissionen um mindestens 20 Prozent gesenkt, die...

This paper assesses the effectiveness of the Meroni doctrine in the light of the recent judgment in the ESMA case. The first part explains in detail the problem of delegation of powers in the EU from the perspective of the principal-agent theory and complements it with the analysis of the...

This study analyses institutional features national authorities should have in order to apply common policies effectively. It shows that the effective implementation of EU law and policy can be achieved without increased control. The article suggests that benchmarking of the results of the...