Economists use game theory to analyze oligopolies because
A) real markets are too complicated to analyze without using games.
B) it is more enjoyable for economists and students to learn by playing games.
C) game theory helps us to understand why interactions among firms are crucial in
determining profitable business strategies.
D) game theory is useful in understanding the actions of firms that are price takers.
The tax multiplier
A) is negative.
B) is larger in absolute value as compared to the government spending multiplier.
C) is a measure of how much taxes will fall when income is falling.
D) is always less than one.
Economic efficiency in a free market occurs when
A) consumer surplus is maximized.
B) producer surplus is maximized.
C) the sum of consumer surplus and producer surplus is maximized.
D) price is as low as possible.