Pay-off table
|
A cooperates
|
A defects
|
B cooperates
|
A gets 1 year
B gets 1 year
|
A goes free
B gets 3 years
|
B defects
|
A gets 3 years
B goes free
|
A gets 2 years
B gets 2 years
|
|
To be contrasted with iterated prisoner’s dilemma, a single-round prisoner’s dilemma is a one-off game of prisoner’s dilemma, where there is no chance of getting your own back against a defector in the next round. Because there won’t be a next round. The payoff is thus per the table set out below, and the most rational course of action is to defect.
See also