Cooperation
A) Is sustained by the threat of punishment for bad behavior
B) Is sustained by the promise of reward for good behavior
C) Will fail to be established if threats/promises are not credible
D) All of these

Question

Quizplus · Accepted Answer

Cooperation can be sustained both by the threat of punishment for bad behavior and by the promise of reward for good behavior. However, for either of these methods to be effective, they must be credible. Therefore, option D is the correct answer.