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Debarment and collusion in procurement auctions

Claudia Cerrone (), Yoan Hermstrüwer and Pedro Robalo

Games and Economic Behavior, 2021, vol. 129, issue C, 114-143

Abstract: This article presents the first experiment exploring the impact of debarments – the exclusion of colluding bidders – on collusion in procurement auctions. We find that debarments reduce collusion and bids relative to a market with no sanction. The deterrent effect of debarments increases in the length of the punishment. However, shorter debarments reduce efficiency and increase the bids of non-debarred bidders. This suggests that debarments that are too lenient may trigger tacit collusion among the bidders who remain in the market, thereby facilitating the very behavior they aim to deter.

Keywords: Debarment; Collusion; Procurement auctions; Sanctions (search for similar items in EconPapers)
JEL-codes: C92 D03 D44 K21 K42 (search for similar items in EconPapers)
Date: 2021
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DOI: 10.1016/j.geb.2021.05.011

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