Imitation Perfection-A Simple Rule to Prevent Discrimination in Procurement

HELENE MASS; NICOLAS FUGGER; VITALI GRETSCHKO; ACHIM WAMBACH

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Imitation Perfection-A Simple Rule to Prevent Discrimination in Procurement

机译：模仿完美 - 一种简单的规则，以防止在采购中歧视

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Procurement regulation aimed at curbing discrimination requires equal treatment of sellers. However, Deb and Pai (2017) show that such regulation imposes virtually no restrictions on the ability to discriminate. We propose a simple rule-imitation perfection-that restricts discrimination significantly. It ensures that in every equilibrium, bidders with the same valuation distribution and the same valuation earn the same expected utility. If all bidders are homogeneous, revenue and social surplus optimal auctions consistent with imitation perfection exist. For heterogeneous bidders, however, it is incompatible with revenue and social surplus optimization. Thus, a trade-off between non-discrimination and optimality exists.

机译：旨在遏制歧视的采购监管需要平等的卖方处理。但是，Deb和Pai（2017）表明，这种规则几乎没有对歧视的能力限制。我们提出了一个简单的规则模仿完美 - 限制歧视。它确保在每平衡中，具有相同估值分布的投标人和相同的估值获得相同的预期效用。如果所有投标人都是均匀的，存在与仿制性完美一致的收入和社会剩余最佳拍卖。然而，对于异质竞标者，它与收入和社会盈余优化不相容。因此，存在非歧视和最优性之间的权衡。

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《American economic journal》 |2020年第3期|189-245|共57页
作者
HELENE MASS; NICOLAS FUGGER; VITALI GRETSCHKO; ACHIM WAMBACH;
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Institute for Microeconomics University of Bonn Adenauerallee 24-42 53113 Bonn;

University of Cologne Albertus-Magnus-Platz 50923 Koeln;

ZEW Mannheim L7 1 68161 Mannheim;

ZEW Mannheim L7 1 68161 Mannheim;

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Imitation Perfection-A Simple Rule to Prevent Discrimination in Procurement

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