Decades of research document individual differences in prosocial behavior using controlled
experiments that model social interactions in situations of interdependence. However …

Reward and punishment change the payoff structures of social interactions and therefore
can potentially play a role in promoting prosocial behavior. Yet, there are boundary …

Intergroup conflict persists when and because individuals make costly contributions to their
group's fighting capacity, but how groups organize contributions into effective collective …

Conflict can profoundly affect individuals and their groups. Oftentimes, conflict involves a
clash between one side seeking change and increased gains through victory and the other …

Humans are outstanding in their ability to cooperate with unrelated individuals, and
punishment–paying a cost to harm others–is thought to be a key supporting mechanism …

Impersonal cooperation among strangers enables societies to create valuable public goods,
such as infrastructure, public services, and democracy. Several factors have been proposed …

Abstract The contribution by De Dreu and Gross oversimplifies the complexity of the topic. I
provide counterarguments that undermine the two sweeping contentions on which the …

Responding to wrongdoing is a core feature of our social lives. Indeed, a central assumption
of modern institutional justice systems is that transgressors should be punished. In this …

Alone and together, climatic changes, population growth, and economic scarcity create
shared problems that can be tackled effectively through cooperation and coordination …

A growing experimental literature studies the endogenous choice of institutions to solve
cooperation problems arising in prisoners' dilemmas, public goods games, and common …