PURE INFORMATION DESIGN IN CLASSIC AUCTIONS

PURE INFORMATION DESIGN IN CLASSIC AUCTIONS
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经典拍卖中的纯信息设计

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通讯作者:
Constantine S. Sorokin
Constantine S. Sorokin
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作者:
Constantine S. Sorokin

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在许多拍卖环境中,卖方比投标人自己更了解投标人的估价。对于这样的环境,我们得到了一个尖锐的和一般的最优信息传输政策的情况下,独立的私人价值。根据这一政策,(事后)估价低于某一阈值的投标人将获得(关于其估价的)所有信息,但估价低于阈值的投标人则得不到任何信息。令人惊讶的是,以投标人数量表示的阈值与投标人事后估值的概率分布无关;它只取决于投标人的数量。类似的结果也来自投标人最优策略。我们的分析建立在“贝叶斯说服”的方法和线性的卖方的收入作为一个函数的逆分布。后一个属性使我们能够使用随机比较的重要结果。
In many auction environments sellers are better informed about bidders’ valuations than the bidders themselves. For such environments we derive a sharp and general optimal policy of information transmission in the case of independent private values. Under this policy bidders whose (ex-post) valuation is below a certain threshold are provided with all the information (about their valuations), but those bidders whose valuation lies below the threshold receive no information whatsoever. Surprisingly, the threshold expressed in percentiles is independent of the probability distribution over bidders’ ex-post valuations; it depends solely on the number of bidders. Similar results are also derived for the bidder-optimal policy. Our analysis builds on the approach of “Bayesian persuasion” and on a linearity of sellers’ revenues as a function of the inverse distribution. This latter property allows us to use important results on stochastic comparisons.
DOI: 10.2139/ssrn.2913916
发表时间: 2016-11
期刊: ERN: Search
影响因子: --
作者:
A. Kolotilin;Tymofiy Mylovanov;Andriy Zapechelnyuk;Ming Li
通讯作者: A. Kolotilin;Tymofiy Mylovanov;Andriy Zapechelnyuk;Ming Li
单独销售的更好的一半
DOI: 10.1145/3369927
发表时间: 2020
影响因子: 1.2
作者:
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通讯作者: Reny, Philip J.