This paper tests social identity theory with respect to individuals' self-identification behavior. We report results from a laboratory experiment in which subjects choose their group membership, which is interpreted as decision to identify with the respective group. Inducing a trade-off between...

We compare voluntary contributions to the financing of a public good in a symmetric setting to those in asymmetric settings, in which four players have different, randomly allocated endowments. We observe that a weak asymmetry in the endowment distribution leads to the same contribution level as...

In a laboratory experiment we investigate inter-generational concerns and myopia in a dynamic Public Good game. Groups of four played a 15-period game where they could either invest in a green sector or in a more profitable brown sector that builds a pollution stock. We find that subjects are...

Lying to participants offers an experimenter the enticing prospect ofmaking "others' behaviour" a controlled variable,but is eschewed by experimental economists because it may pollute thepool of subjects. This paper proposes andimplements a new experimental design, the Conditional...

We use a novel experimental design to identify the subjects' strategies in an infinitely repeated prisoners' dilemma experiment. We ask subjects to design strategies that will play in their place. We find that eliciting strategies has negligible effects on their behavior, supporting the validity...