The poverty estimates include an imputation for the homeless

A tit-for-tat strategy can be used in

A) a single-play game or a repeated game. B) a single-play game but not a repeated game. C) a repeated game but not a single-play game. D) neither a repeated game nor a single-play game.

Which of the following would result from a technological advance in a perfectly competitive market?

a. The market demand curve will shift rightward. b. Consumers will benefit as the price declines. c. Producers will benefit as long-run profits rise. d. The market supply curve will shift leftward. e. In a constant-cost industry, the price will not change in the long run.