An oligopoly is a market
a. dominated by a single seller
b. dominated by a single buyer
c. dominated by a small number of strategically interdependent firms
d. with many buyers and sellers, no barriers to entry and differentiated products
e. with many buyers and sellers, no barriers to entry and a standardized product
C
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If the representative basket of European goods and services costs 40 euros, the representative U.S. basket costs $50, and the dollar/euro exchange rate is $0.90 per euro, then the price of the European basket in terms of U.S. basket is
A) [(0.9 $/euro) (40 euro per a European basket)]/[(50 $/U.S. basket)]. B) [(0.9 $/euro) (50 $/U.S. basket)]/[(40 euro per a European basket)]. C) [(40 euro per a European basket)]/[(50 $/U.S. basket) (0.9 $/euro)]. D) [(50 $/U.S. basket)]. E) [(0.9 $/euro) (40 euro per a European basket) (50 $ U.S. basket)].
The total amount of consumer surplus and producer surplus is at its maximum when
A) consumers and producers are allowed to trade at the market clearing price. B) the government imposes a price floor that is higher than the market clearing price. C) the government imposes a price ceiling that is lower than the market clearing price. D) free market exchanges do not exist.