<Para ID="Par1">Advances in the study of social behavior require a revision in the economic concept of the invisible hand, which states that self-interested behavior leads to well-functioning societies without individuals having the welfare of the society in mind. Evolutionary theory shows that self-interest...</para>

In this paper, I consider a body of observational evidence not commonly studied by social scientists, namely the behavior of men and women (mostly men) in the military. I focus here on two issues: first the behavioral foundations for creating an effective military unit and second, evidence that...

It is known that altruism can be sustained in an evolving population by a process of group selection. There is also existing research on the role that punishment can play in inducing selfish agents to behave more co-operatively or in preventing selfish agents from evolving, and the limitations...

The intellectual histories of economics and evolutionary biology are closely intertwined because both subjects deal with living, complex, evolving systems. Because the subject matter is similar, contemporary evolutionary thought has much to offer to economics. In recent decades theoretical...

This article generalizes a set of core design principles for the efficacy of groups that was originally derived for groups attempting to manage common-pool resources (CPRs) such as irrigation systems, forests, and fisheries. The dominant way of thinking until recently was that commons situations...