Using Bid Rotation and Incumbency to Detect Collusion: A Regression Discontinuity Approach

Using Bid Rotation and Incumbency to Detect Collusion: A Regression Discontinuity Approach
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使用投标轮换和任职来检测共谋:断点回归方法

DOI:
10.1093/restud/rdac013
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发表时间:
2022
期刊:
The Review of Economic Studies
影响因子:
--
通讯作者:
Chassang Sylvain
Chassang Sylvain
中科院分区:
--
文献类型:
--
作者:
Kawai Kei;Nakabayashi Jun;Ortner Juan;Chassang Sylvain

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参与采购拍卖的卡特尔经常使用投标轮换或优先考虑现任者分配合同。然而,很难在观察到的分配模式和公司行为之间建立联系:对这种模式有基于成本的竞争性解释。我们表明,通过专注于拍卖中的获胜和失败的出价是非常接近的,有可能区分分配模式,反映成本的差异,从模式反映非竞争性环境的公司。我们将我们的测试应用到两个数据集:波特和佐纳研究的俄亥俄州牛奶拍卖样本(1999年,“俄亥俄州学校牛奶市场:投标分析”,兰德经济学杂志,30,263-288),以及来自日本的市政采购拍卖样本。
Cartels participating in procurement auctions frequently use bid rotation or prioritize incumbents to allocate contracts. However, establishing a link between observed allocation patterns and firm conduct has been difficult: there are cost-based competitive explanations for such patterns. We show that by focusing on auctions in which the winning and losing bids are very close, it is possible to distinguish allocation patterns reflecting cost differences across firms from patterns reflecting non-competitive environments. We apply our tests to two datasets: the sample of Ohio milk auctions studied in Porter and Zona (1999, “Ohio School Milk Markets: An Analysis of Bidding”,RAND Journal of Economics,30, 263–288), and a sample of municipal procurement auctions from Japan.
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DOI: --
发表时间: 2019
期刊: Scientific Reports
影响因子: 4.6
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