Detection of Collusive Networks in E-procurement
نویسندگان
چکیده
Collusion likely has adverse effects on social welfare. In this paper, we study collusion in the e-procurement market Ukraine. We document that bidding patterns data are incompatible with a competitive equilibrium. develop novel structural test to detect pairs and, thereby, networks of collusive firms. validate soundness our detection algorithm sample 863 prosecuted firms participated 23,515 tenders.
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ژورنال
عنوان ژورنال: Social Science Research Network
سال: 2021
ISSN: ['1556-5068']
DOI: https://doi.org/10.2139/ssrn.3864186