单选题
Something that oligopolists will try to engage in with another firm in
setting a higher price is called :
A. high economic profits.
B. prisoner's dilemma.
C. collusion.
【正确答案】
C
【答案解析】Collusion is when firms organize into an association to increase profits by controlling prices and output. Collusion can take place when an industry has a small number of competitors and high barriers to entry.