To correct for market failure, the government could impose a tax on the producer

Which of the following statements about the prisoner's dilemma is false?

A) The prisoner's dilemma game can never reach a Nash equilibrium as long as players do not cooperate. B) The prisoner's dilemma in a one-shot game leads to a noncooperative, equilibrium outcome. C) The prisoner's dilemma in repeated games could lead to cooperation especially if there is some enforcement mechanism that punishes a player who does not cooperate. D) Players caught in a prisoner's dilemma act in selfish ways that lead to an equilibrium that is sub-optimal.

The mutual interdependence of oligopolists ensures that each oligopolist has

A) a unique demand curve. B) a perfectly elastic demand curve. C) a reaction function. D) a fundamental dilemma about whether to collude or not.