Efficiency and bid rigging in simultaneous procurement auctions under oligopoly

Hazak, Aaro; Kerikmäe, Tanel; Lee, Evelin Pärn

doi:10.1504/ijpm.2020.106512

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2021

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“…An appropriate method to analyze market discontinuities on a given auction market is the statistical analysis of the bidding time series on that market (Hazak et al 2016;Vadász et al 2016).…”

Section: Cluster Analysismentioning

confidence: 99%

Detecting Bid-Rigging in Public Procurement. A Cluster Analysis Approach

Bușu

Buṣu

2021

Administrative Sciences

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This paper analyses the public procurement auctions for snow removal contracts to find out whether bid-rigging occurred. Due to the limited participation in the auction processes, detection of anticompetitive agreements was possible. The econometric analysis used in our study supported the findings of a cartel agreement. Cluster analysis, statistical hypothesis, normality and symmetry and nonparametric tests reveal two types of auctions: competitive and noncompetitive bids. The aim of this paper is to analyze the public procurement auctions with nonparametric statistical methods. Our findings are in line with the literature in the field.

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Section: Cluster Analysismentioning

confidence: 99%