The Use of Leniency in EU Cartel Enforcement: An Assessment After Twenty Years - World Competition View The Use of Leniency in EU Cartel Enforcement: An Assessment After Twenty Years by Wouter P.J. Wils - World Competition The Use of Leniency in EU Cartel Enforcement: An Assessment After Twenty Years Wouter P.J. Wils 39 3

Since 1996, the European Commission has been operating a leniency programme, under which companies cooperating with its cartel investigations can obtain immunity from fines or a reduction of fines. Leniency plays a prominent role in European Union (EU) cartel enforcement today. This article assesses the positive effects and the possible negative effects of leniency, in the light of twenty years of experience.

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