A long time ago most economists would have limited themselves to stating that agreements should be individually rational and efficient and that selecting a specific agreement from that set depends on bargaining and negotiation power whatever that may be. Nowadays hardly any economist will argue...

We report on an experiment designed to explore whether a written expression of disapproval affects future levels of cooperation. In between two identical public goods games, participants play a mini dictator game that, depending on the treatment, either gives or does not give the recipient the...

We suggest that procedures of monetarized bidding can facilitate co-operation in Elinor Ostrom type common(s) projects without crowding out communitarian faculties of "self-governance". Axioms securing procedurally egalitarian bidding on the basis of declared monetary evaluations are introduced....

This paper derives and justifies a procedurally fair bidding mechanism and reviews experiments that apply the mechanism to public projects pro- vision. In the experiments, not all parties benefit from provision, and the projects' costs can be negative. The experimental results indicate that the...

Willingness to take risk depends on whether the risk affects others as well as oneself and on how the risk affects one's position vis-`a-vis others. Taking a bet can improve one's position relative to others or threaten it. We present an experiment that explores individual attitudes to lotteries...

We provide a framework to decompose preferences into a notion of distributive justice and a selfishness part and to recover individual notions of distributive justice from data collected in appropriately designed experiments. "Dictator games" with varying transfer rates used in Andreoni and...

Previous studies have shown that other-regarding concerns are weakened under risky situations. Daily experience also suggests that people care more about an identifiable than about an unidentifiable third person. We report on an experiment designed to explore whether rendering the other...

We enrich the choice task of responders in ultimatum games by allow- ing them to independently decide whether to collect what is offered to them and whether to destroy what the proposer demanded. Such a multidimensional response format intends to cast further light on the motives guiding...

We define and experimentally test a public provision mechanism that meets three basic ethical requirements and allows community members to influence, via monetary bids, which of several projects is implemented. For each project, participants are assigned personal values, which can be positive or...

The measurement of social norms plays a pivotal role in many social sciences. While economists predominantly conduct experiments, sociologists rather employ (factorial) surveys. Both methods, however, suffer from distinct weaknesses. Experiments, on the one hand, often fall short in the...