the "cost of survival". In the Prisoner's Dilemma (PD), a classic model of social interaction, individual payoffs depend … gain (defect). We demonstrate that in an iterated Prisoner's Dilemma (IPD), a simple "Always Cooperate" (ALLC) strategy …

behavior in the context of the Prisoner's Dilemma (PD) game with varying stake sizes? This paper investigates this question …

The prisoner's dilemma (PD) is arguably the most important model of social dilemmas, but our knowledge about how a PD …

and defecting in response to defection) in social dilemmas. In our first study, subjects play eight Sequential Prisoner …'s Dilemma games with varying payoffs. We elicit second mover strategies and find that most second movers conditionally cooperate …

a repeated prisoner's dilemma game. We find that already children aged 3 act in a conditionally cooperative way. Yet …