n agents located along a river generate residues that then require cleaning to return the river to its natural state, which entails some cost. We propose several rules to distribute the total pollutant-cleaning cost among all the agents. We provide axiomatic characterizations using properties...

This paper focuses on international organizations, especially those regulat-ing trade and exchange. It draws on the Theory of Clubs (Buchanan, 1965) and builds a model that aims to explain governments' optimal choices when joining international organizations. The results of the model show that...

In der Politik sind wie im Geschäftsleben oft riskante beziehungsweise gefährliche Entscheidungen zu treffen, bei denen die Ergebnisse nur schwer oder gar nicht prognostizierbar sind. Da Menschen in ihren Einstellungen gegenüber Risiken und Gefahren variieren, ist es vernünftig, dass in...

This paper presents a model of political competition to explore the effect that the ideological distance between two political parties has over the provision of public goods. The main result argues that the ideological distance between parties and citizens has a negative relationship with the...