García-Rodríguez, Manuel J.; Rodríguez-Montequín, Vicente; Ballesteros-Pérez, Pablo; Love, Peter E. D.; Signor, Regis(Elsevier, 2022-01)
[EN] Collusion is an illegal practice by which some competing companies secretly agree on the prices (bids) they will submit to a future auction. Worldwide, collusion is a pervasive phenomenon in public sector procurement. ...