Which of the following resources is necessary to combine efficiently the other resources to produce goods and services?

A market is a set of arrangements where:

A) buyers and sellers can get together and buy and sell. B) buyers compete with sellers. C) sellers compete with buyers. D) A and C are true, but B is not true

In a repeated prisoners' dilemma game

A) the players act sequentially. B) the outcomes are the same as in a static prisoners' dilemma game. C) firms' choices are not influenced by their opponents' actions. D) cooperation may result if the game is played indefinitely.