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Consumer Scores and Price Discrimination

机译:消费者分数和价格歧视

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We study the implications of aggregating consumers’purchase histories into scores that proxy for unobserved willingness to pay.A long-lived consumer interacts with a sequence of firms.Each firm relies on the consumer’s current score-a linear aggregate of noisy purchase signals-to learn about her preferences and to set prices.If the consumer is strategic,she reduces her demand to manipulate her score,which reduces the average equilibrium price.Firms in turn prefer scores that overweigh past signals relative to applying Bayes’rule with disaggregated data,as this mitigates the ratchet effect and maximizes the firms’ability to price discriminate.Consumers with high average willingness to pay benefit from data collection,because the gains from low average prices dominate the losses from price discrimination.Finally,hidden scores-those only observed by the firms-reduce demand sensitivity,increase average prices,and reduce consumer surplus,sometimes below the naive-consumer level.
机译:我们研究将消费者的投资历史融入分数的含义,即代表未观察到的支付意愿。一段长期的消费者与一系列公司互动.ECEACH依赖消费者的目前的得分 - 嘈杂购买信号的线性总和 - 了解她的偏好并确定价格。如果消费者是战略性的,她会降低她的需求来操纵她的得分,这减少了平均均衡价格。反过来反过来的分数相对于应用贝叶斯的分数相对于应用分列的数据, 由于这种减轻了棘轮效果并最大限度地提高了价格歧视的公司.Consumers,具有高平均愿意从数据收集中收益的福利,因为平均价格低位占据价格歧视的损失。最后,隐藏的分数 - 只观察到 通过公司 - 降低需求敏感性,提高平均价格,减少消费者盈余,有时低于天真消费水平。

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