of evolutionary and learning processes in this game. Only the continuous best response dynamic uniquely selects the …

Adaptive learning and punishment are highly prominent competing explanations for ultimatum game behavior. We report on … an experiment that considers each theory in stand-alone form, so that one does not rely on the other in any substantial … way. Our data exhibits patterns for which punishment can account but learning by itself cannot. Initial play varies …

payoff-based learning models are simulated in order to understand individual learning behavior in distributed systems. Under … the serial mechanism the payoff-assessment learning model (Sarin and Vahid (1997)) provides the best fit to the data …, followed by the experience-weighted attraction learning model (Camerer and Ho (1999)), which in turn, is followed by a simple …

effect by showing that evolution favors individuals whose preferences embody an endowment effect. The reason is that an …

retribution, where retribution is more compelling than reciprocity. The equal division principle is the dominant fairness norm … non-binding agreements beforehand. The results refute the concept of rationality and support the impact of reciprocity and …. Deviating norms are not a product of not knowing which norm to apply, but rather to avoid cognitive dissonance in advance. …

motivational heterogeneity in both roles, but both materialism and reciprocity proved stronger than altruism. The qualitative model …

exclusion from the experiment without payment. The results show that reciprocity establishes bribery relationships, where …Essential characteristics of corruption are (1) a reciprocity relationship between briber and public official, (2 …) negative welfare effects, and (3) high penalties when discovered. We separate the influences of these factors in an experiment …