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Rates of information aggregation in common value auctions

机译:共同价值拍卖中的信息汇总率

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We study the rates at which transaction prices aggregate information in common value auctions under the different information structures in Wilson (Rev. Econ. Stud. 44 (1977) 511) and Pesendorfer and Swinkels (Econometrica 65 (1997) 1247). We consider uniform-price auctions in which k identical objects of unknown value are auctioned to n bidders, where both n and k are allowed to diverge to infinity, and k converges to a number in [0,1). The Wilson assumptions lead to information aggregation at a rate proportional to n/k~(1/2), but the price aggregates information at a rate proportional to k~(1/2) in the PS setting. We also consider English auctions, and investigate whether the extra information revealed in equilibrium improves convergence rates in these auctions.
机译:我们研究了威尔逊(Rev. Econ。Stud。44(1977)511)和Pesendorfer和Swinkels(Econometrica 65(1997)1247)不同信息结构下的交易价格汇总信息的价格。我们考虑统一价格拍卖,其中将k个未知价值的相同对象拍卖给n个竞标者,其中n和k均允许发散到无穷大,并且k / n收敛到[0,1)中的数字。威尔逊假设导致信息聚合的比率与n / k〜(1/2)成正比,但价格在PS设置中以比率k /(1/2)成正比。我们还考虑了英语拍卖,并调查平衡中揭示的额外信息是否可以提高这些拍卖的收敛速度。

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