() and Tina Søreide
Emmanuelle Auriol: Toulouse School of Economics, Postal: Toulouse School of Economics , 21 Allées de Brienne, F31000 Toulouse, France
Tina Søreide: Dept. of Accounting, Auditing and Law, Norwegian School of Economics, Postal: NHH , Department of Accounting, Auditing and Law, Helleveien 30, N-5045 Bergen, Norway
Abstract: With a view to reducing the consequences of corruption in public procurement, many governments have introduced debarment of suppliers found guilty of corruption and some other forms of crime. This paper explores the market effects of debarment on public procurement. Debarment is found to make little difference in markets with high competition, while in markets with low competition it may deter corruption as long as firms value public procurement contracts in the future and there is a certain risk of being detected in corruption. On the other hand, debarment - when it works - has an anti-competitive effect, and this effect will contribute to facilitate collusion between suppliers. Debarment may work as a tool against collusion, but only if targeting one firm at the time (such as a ring-leader or the specific beneficiary when the collusion is detected) - and not all the members of a cartel. If designed with an understanding of the market mechanisms at play, debarment can deter both collusion and corruption, thus improving the results of public procurement. If so, most current debarment regimes need modification.
31 pages, September 17, 2015
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