試題詳解

7. Which of the following statements about the outcome of an economic interaction is correct?
(A) If the allocation is Pareto efficient, then you cannot make anyone better off without making someone else worse off.
(B) All participants are happy with what they get if the allocation is Pareto efficient.
(C) There cannot be more than one Pareto-efficient outcome.
(D) Pareto-efficient outcome is always fair.