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放宽公共采购重新谈判规则:来自一项政策改革的证据

Easing renegotiation rules in public procurement: Evidence from a policy reform
Journal of Public Economics · 2025 · Kris De Jaegher、Michal Šoltés、Vítězslav Titl

中文摘要

公共采购合同经常需要重新谈判。我们利用欧盟一项政策在捷克共和国实施所引致的自然实验,考察放宽重新谈判规则对公共采购结果的影响。我们发现,该政策降低了中标报价,但并未改变最终价格,因为授标后的重新谈判抵消了初始报价的降幅。我们未发现已交付采购项目的质量下降的证据。我们使用一个简化的理论模型对研究发现作出解释。

Abstract

Public procurement contracts require frequent renegotiation. Exploiting a natural experiment induced by the implementation of an EU policy in the Czech Republic, we examine the effect of easing renegotiation rules on the outcomes of public procurement. We document that the policy decreased winning bids but did not change the final price, as post-award renegotiations offset the initial bid reductions. We find no evidence of a decline in the quality of the delivered procurement projects. We rationalize our findings using a stylized theoretical model.
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