We experimentally test the social motives behind individual participation in intergroup conflict by manipulating the framing and symmetry of conflict. We find that behavior in conflict depends on whether one is harmed by actions perpetrated by the out-group, but not on one's own influ- ence on...

A group of actors, individuals or firms, can engage in collectively providing projects which may be costly or generating revenues and which may benefit some and harm others. Based on requirements of procedural fairness (Güth and Kliemt, 2013), we derive a bidding mechanism determining...

Almost all international environmental agreements include a minimum participation rule. Under such a rule an agreement becomes legally binding if and only if a certain threshold in terms of membership or contribution is reached. We analyze a cartel game with open membership and heterogeneous...

We investigate leading by example in a public goods game in scenarios with and without intergroup competition. Leading by example is implemented via a sequential decision protocol. We examine both one-shot and repeated interaction and make use of the strategy method to characterize followers'...

Koukoumelis et al. (2010, 2012) have shown that one-way communication enhances contributions to public goods. We investigate the effectiveness of one-way communication, when the benefits from the public good are asymmetric and the sender of a message is the main beneficiary of cooperation. Our...

With the forthcoming single currency the current discussion on fair returns not only focuses on the transfers to the EC but also on the implicit gains and losses in seigniorage revenues for each single participant of the EMU. After a short clarification of differient concepts of seigniorage and...

The current debate on the EURO distracts attention on the next steps of economic integration, namely the field of fiscal integration and tax competition in Europe. This paper puts a focus on some perspectives of this like theoretical welfare implications, the question of fairness and harmfulness...

A survey of reasons for harmonisation of indirect taxes accross Europe will be done with short reference to the major topic of tax competition. The discussion can be divided into two major fields of harmonisation: several indirect commodity taxes and the VAT, on which will be the focus of this...

Understanding how observers attribute intentionality to people in the focus of their attention helps in shedding light on punishment behavior. In this paper we approach impartial observers' attributions of intentionality and the attachment of praise and blame to perpetrators of external effects....