单选题 Which of the following most accurately reflects the concept that competitive markets allocate resources fairly as long as the same rules apply to all participants?

A. Utilitarianism.
B. The symmetry principle.
C. The fairness principle.

【正确答案】 B

【答案解析】The symmetry principle holds that people in similar situations should be treated similarly. It implies that the market allocates resources fairly if the rules of economic allocation are fair.