The disagreement between Binmore and the “behaviouralists” concerns mainly the kind of reciprocity mechanisms that sustain cooperation in and out of the experimental laboratory. Although Binmore’s scepticism concerning Strong Reciprocity is justified, his case for Weak Reciprocity and the...

Can human social cognitive processes and social motives be grasped by the methods of experimental economics? Experimental studies of strategic cognition and social preferences contribute to our understanding of the social aspects of economic decisions making. Yet, papers in this issue argue that...

In the past decade, experiments on altruistic punishment have played a central role in the study of the evolution of cooperation. By showing that people are ready to incur a cost to punish cheaters and that punishment help to stabilise cooperation, these experiments have greatly contributed to...