单选题 Price discrimination is most accurately defined by which of the following? Price discrimination is the practice of charging different consumers different prices for:

A、 similar products that have identical per-unit production costs.
B、 products that have identical price elasticities of demand.
C、 the same product or service.

【正确答案】 C

【答案解析】Price discrimination is the practice of charging different consumers different prices for the same product or service. Examples include different prices for airline tickets based on whether a Saturday-night stay is involved and different prices for movie tickets based on age.