Producers market products for which a part of the proceeds go to a charitable cause. Donations to such charitable causes may increase the moral intensity of piracy and consequently reduce the pirates' willingness to pirate. This rationale is empirically tested through a dual empirical strategy,...

Extending the power-to-take game, we explore the impact of two forces that may shape retaliation. In our 2x2 design, i) in addition to taking, the proposers can give part of their endowment to the responders, and ii) in addition to destroying their own endowment in retaliation, the responders...

We develop a model that accounts for the decay of the average contribution observed in experiments on voluntary contributions to a public good. The novel idea is that people's moral motivation is "weak." Their judgment about the right contribution depends on observed contributions by group...