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因无人竞争而胜出:政府采购中为何竞争如此之少?

Winning by Default: Why is There So Little Competition in Government Procurement?
Review of Economic Studies · 2021 · Karam Kang、Robert A. Miller

中文摘要

政府采购合同的投标数量通常很少,往往只有一份。受联邦采购制度特征的启发,本文构建了一个委托—代理模型,其中买方付出成本搜寻卖方,并与卖方就合同条款进行谈判。本文利用信息技术和电信合同数据对该模型进行识别与估计。我们发现,由于采购机构能够从卖方获取信息租金,吸引更多卖方参与所带来的收益显著降低。解释投标数量较少的另一个因素是,在给定已观测到的项目属性的条件下,卖方相对同质。行政障碍和腐败所起的作用似乎非常有限。

Abstract

Abstract Government procurement contracts rarely have many bids, often only one. Motivated by the institutional features of federal procurement, this article develops a principal-agent model where a buyer seeks sellers at a cost and negotiates contract terms with them. The model is identified and estimated with data on IT and telecommunications contracts. We find the benefits of drawing additional sellers are significantly reduced because the procurement agency can extract informational rents from sellers. Another factor explaining the small number of bids is that sellers are relatively homogeneous, conditional on observed project attributes. Administrative hurdles and corruption appear to play very limited roles.
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