Norms are a foundational concept in sociology. Following a period of skepticism about
norms as overly deterministic and as paying too little attention to social conflict, inequalities …

When one individual helps another, it benefits the recipient and may also gain a reputation
for being cooperative. This may induce others to favour the helper in subsequent …

Signaling theory is concerned with situations of strategic interdependence in which one
actor (the sender) aims at persuading another actor (the receiver) of a fact the receiver does …

Acts of prosociality, such as donating to charity, are often analysed in a similar way to acts of
conspicuous advertising; both involve costly signals revealing hidden qualities that increase …

Social organisms often need to know how much to trust others to cooperate. Organisms can
expect cooperation from another organism that depends on them (ie stake or fitness …

Social capital, comprising networks, generalized trust, and cooperation norms, is often
considered a key factor in promoting prosperity and cooperation. Informal norm enforcement …

Gossip is often invoked as playing a fundamental role for creating, sustaining, or destroy ing
cooperation. The reason seems straightforward: gossip can make or break someone's …

Trust encourages members of communities to cooperate and provide public goods.
However, the literature has yet to fully investigate how high and low trusting communities …

Social interaction is organized around norms and preferences that guide our construction of
actions and our interpretation of those of others, creating a reflexive moral order …

Indirect reciprocity is a major mechanism in the maintenance of cooperation among
unrelated individuals. Indirect reciprocity leads to conditional cooperation according to …