Direct reciprocity is the tendency to repay others' cooperation. This tendency can be crucial
to maintain cooperation in evolving populations. Once direct reciprocity evolves, individuals …

People frequently encounter situations where individually optimal decisions conflict with
group interests. To navigate such social dilemmas, they often employ simple heuristics …

Human interactions can take the form of social dilemmas: collectively, people fare best if all
cooperate but each individual is tempted to free ride. Social dilemmas can be resolved when …

Direct reciprocity is a wide-spread mechanism for the evolution of cooperation. In repeated
interactions, players can condition their behavior on previous outcomes. A well-known …

Direct reciprocity is a mechanism for the evolution of cooperation in repeated social
interactions. According to the literature, individuals naturally learn to adopt conditionally …

This study aims to investigate situational (emotions) and individual factors (peace attitude
and personality) on decision making, by using the prisoner's dilemma paradigm. The study …

People have different preferences for what they allocate for themselves and what they
allocate to others in social dilemmas. These differences result from contextual reasons …

Intention recognition entails the process of becoming aware of another agent's intention by
inferring it through its actions and their effects on the environment. It allows agents to prevail …

Cooperation is at the heart of life on Earth. It binds together organisms, families, and
societies. One of the most ubiquitous tools for studying cooperation is game theory, which …

Recently, researchers have begun studying the role that third-party arbitration may play in
the evolution of cooperation. Using the iterated prisoner's dilemma (IPD), they show that …