Under the binding price ceiling of $4, what would be the black market price?

All of the following are characteristics of a battle of the sexes game except

A) each player has a tough strategy and a weak strategy. B) the tough strategy and the weak strategy differ for each player. C) each player prefers the Nash equilibrium corresponding to his or her tough strategy. D) each player prefers the same Nash equilibrium.

From the economic point of view, why will an avid downhill skier devote many hours to reading, comparing, and testing a new pair of ski boots but only a few hours to deciding who to vote for in the state senator race?

A) Ski boots are ultimately more important to society than state senators. B) He needs new ski boots; he does not need a new state senator. C) In his estimation, being highly informed about ski boots is a better use of his time compared to being highly informed about potential state senators. D) He is selfish.