If the government imposes a pollution tax on gasoline refineries:
a. the supply of gasoline will shift to the right.
b. the demand for gasoline will shift to the right.
c. the supply of gasoline will shift to the left

A best response is ________

A) one player's optimal action choice irrespective of the action of the other player B) one player's optimal action choice taking the other player's action as given C) an action choice that always results in a zero payoff to the opponent D) an action choice that results in equal payoffs to all the players in a game

A money market mutual fund is

A) essentially the same as a checking account. B) a time deposit of $100,000 or less. C) a time deposit of more than $100,000. D) a depository institution that sells shares and buys securities such as U.S. Treasury bills.