2) game theory is used to explain the pricing behavior of? A) monopolies B) perfect competition C) oligopolies D) monopolistic competition 3) game theory would classify a cartel under the topic of A) cooperative games B) noncooperative games C) zero-sum games D) dominant-strategy games 4) a game in which players as a group gain at the end of the game is referred to as ? A) tit-for-tat game B) negative sum game C) positive sum game D) zero sum game 5) in game theory the strategy that always yields the highest benefit for the the player using it is the ? A) cooperative strategy B) matrix strategy C) dominant strategy D) prisoner's strategy 8) which of the following is a condition that helps enforce a cartel agreement? A) a large number of firms B) relatively differentiated products C) large variation in prices D) easily observable prices 9) a game in which any gains by the group are exactly offset by equal losses by the end of the game is called the? A) cooperative game B) negative sum game C) zero sum game D) positive sum game 10) when a fall off in usage of a product by some consumers causes others to stop purchasing the item there is? A) a dominant effect B) positive market feedback C) negative market feedback D) a negative sum game 11) a tendency for a good to come into favor with consumers because other consumers have chosen to buy the item is ? A) positive market feedback B) a negative sum game C) price leadership D) negative market feedback 12) according to the text the highest 20 percent of U.S income households earn about what percentage of total income today? A) 50 percent B) 10 percent C) 95 percent D) 20 percent