问题
单项选择题
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.
答案
参考答案：C
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.