On the Economics of Repeat Buying
解释为何垄断者会对第二次购买者降低非耐用品价格，如优惠券和俱乐部入会费，基于消费者对自身口味不确定但产品质量确定的模型。
This article presents a theory of such phenomena as coupons valid for the next purchase of a good and high initiation fees for clubs. In these cases the price of a nondurable good is lowered for second-time buyers. We show here that this can be explained by a model in which a monopolist sells a good, and the buyers are uncertain of their taste for the product but not of the quality of the product per se.