The "tit for tat" strategy is one approach to this situation.
Changing this situation to make the reward worth more than the temptation creates a stag hunt, which has two Nash equilibria as compared to one for this situation. Merrill Flood, Melvin Dresher, and Robert (*) Axelrod were among the scholars who studied this scenario as applicable to nuclear arms. The "tit for tat" strategy is one approach to this situation. For 10 points, identify this fundamental game theory problem, in which two suspects must each choose to defect or cooperate.
Changing this situation to make the reward worth more than the temptation creates a stag hunt, which has two Nash equilibria as compared to one for this situation.
the {prisoner's dilemma}