Extensive cooperation among unrelated individuals is unique to humans, who often sacrifice
personal benefits for the common good and work together to achieve what they are unable …

Interactions among living organisms, from bacteria colonies to human societies, are
inherently more complex than interactions among particles and non-living matter. Group …

Network reciprocity has been widely advertised in theoretical studies as one of the basic
cooperation-promoting mechanisms, but experimental evidence favoring this type of …

What do corruption, resource overexploitation, climate inaction, vaccine hesitancy, traffic
congestion, and even cancer metastasis have in common? All these socioeconomic and …

Altruistic punishment (or punishment) has been extensively shown as an important
mechanism for promoting cooperation in human societies. In AI, the emergence of …

The promise of punishment and reward in promoting public cooperation is debatable. While
punishment is traditionally considered more successful than reward, the fact that the cost of …

If only the fittest survive, why should one cooperate? Why should one sacrifice personal
benefits for the common good? Recent research indicates that a comprehensive answer to …

Inspired by the fact that people have diverse propensities to punish wrongdoers, we study a
spatial public goods game with defectors and different types of punishing cooperators …

Economic experiments have shown that punishment can increase public goods game
contributions over time. However, the effectiveness of punishment is challenged by second …

Methods of statistical physics have proven valuable for studying the evolution of cooperation
in social dilemma games. However, recent empirical research shows that cooperative …