Collusion in Auctions with Constrained Bids: Theory and Evidence from Public Procurement

Collusion in Auctions with Constrained Bids: Theory and Evidence from Public Procurement
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限制投标拍卖中的串通:来自公共采购的理论和证据

DOI:
10.1086/701812
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发表时间:
2015
影响因子:
8.2
通讯作者:
Juan Ortner
Juan Ortner
中科院分区:
经济学1区
文献类型:
--
作者:
Sylvain Chassang;Juan Ortner

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我们研究了卡特尔执法机制及其与投标约束的相互作用,在重复采购拍卖的背景下。在串通的情况下,投标限制通过限制惩罚范围来削弱卡特尔。这产生了一个合谋行为的测试,利用了反直觉的预测,即引入最低价格可以降低中标分布。该模型的预测在日本的采购数据中得到了证实,我们发现最低价格削弱了串通的证据。一个稳健的设计见解是,在观察到的中标分布的底部设置最低价格必然会比零的最低价格有所改善。
We study the mechanics of cartel enforcement and its interaction with bidding constraints in the context of repeated procurement auctions. Under collusion, bidding constraints weaken cartels by limiting the scope of punishment. This yields a test of collusive behavior exploiting the counterintuitive prediction that introducing minimum prices can lower the winning-bid distribution. The model’s predictions are borne out in Japanese procurement data, where we find evidence that minimum prices weakened collusion. A robust design insight is that setting a minimum price at the bottom of the observed winning-bid distribution necessarily improves over a minimum price of zero.
DOI: 10.1007/s11151-009-9208-1
发表时间: 2009-06
影响因子: 1.1
作者:
H. Ohashi
通讯作者: H. Ohashi
DOI: --
发表时间: 1986-06
期刊: The American Economic Review
影响因子: --
作者:
J. Rotemberg;Garth Saloner
通讯作者: J. Rotemberg;Garth Saloner