Why do people cooperate? We address this classic question by analyzing and discussing
the role of reputation: people cooperate to maintain a positive reputation in their social …

ABSTRACT I describe an integrative social‐evolutionary model for the adaptive significance
of the human oxytocinergic system. The model is based on a role for this hormone in the …

The authors suggest that injunctive and descriptive social norms engage different
psychological response tendencies when made selectively salient. On the basis of …

This paper examines why fundamental freedoms are so unevenly distributed across the
earth. Climato-economic theorizing proposes that humans adapt needs, stresses, and …

Moral evolution theories have emphasized kinship, reciprocity, group selection, and
equilibrium selection. Yet, moral virtues are also sexually attractive. Darwin suggested that …

The explanation of the “genesis” of this book is simple. I have always directly seen, in the
behavior of violent human beings and in my very own “mild” violent conducts, that they were …

Sports have received little attention from evolutionary biologists. I argue that sport began as
a way for men to develop the skills needed in primitive hunting and warfare, then developed …

Evolutionary psychologists seek to understand prosocial behavior at four complementary
levels of analysis: psychological mechanisms, development of those mechanisms …

Humans are a very prosocial species, in that we often help others even at a cost to
ourselves. Such behavior affects—and is affected by—a person's social status. In the current …

One of the most distinguishing abilities that human beings display is the ability of turning
almost everything into a clue to make a problem affordable in relation to what one knows …