The fact that unsheltered saving is taxed under our current tax system creates a double tax on saving because _____

The Dow reached a peak of over 11,000 before the collapse of the ________ bubble in 2000

A) housing B) manufacturing C) high-tech D) banking

In a finitely repeated prisoners' dilemma game

A) firms will only cooperate if they each adopt a tit-for-tat strategy. B) firms cooperate and achieve the collusive Nash equilibrium for all rounds. C) firms cooperate for most of the rounds, but switch to the non-cooperative outcome in the final couple of rounds. D) firms do not cooperate and the static game Nash equilibrium is the outcome for each round.