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    1077期】12月18日微觀經濟學學術研討會: Selling Signals(陸卓然助理教授,復旦大學)

    時間:2020-12-17

    【主題】Selling Signals

    【報告人】陸卓然(助理教授,復旦大學)

    【時間】1218 星期五下午 14:30—16:00

    【地點】經濟學院701

    【摘要】 This paper studies a signaling model in which a strategic player can manipulate the signaling cost. A seller chooses a price schedule for a product, and a buyer with a hidden type chooses how much to purchase as a signal to receivers. When receivers observe the price schedule, the seller charges monopoly prices, and the buyer purchases less than the first-best. In contrast, when receivers do not observe the price schedule, the demand for signals is more elastic. We propose a new equilibrium refinement, the Quasi-Divinity, to refine the set of equilibria. In equilibrium, the seller charges lower prices, and the buyer purchases more than in the observed case; those of the highest types purchase more than the first-best. The model suggests that price transparency benefits the seller but harms the buyer. The model can be applied to schools choosing tuition, retailers selling luxury goods and media companies selling advertisements.


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