单选题

Consumer surplus is best explained as the（）。

A、 amount by which the quantity of a good produced exceeds the quantity that consumers demand.
B、 difference between the quantity of a good a consumer purchases and the quantity the consumer is willing to purchase.
C、 difference between the value a consumer places on a good or service and the amount the consumer has to pay to acquire it.

【正确答案】 C

【答案解析】

Consumer surplus is the sum of the differences between what a consumer is willing to pay for each unit of a good or service and what that consumer actually pays for each unit.