Previous business/academic article Next business/academic article
Academic Articles Awards > Concerted Practices

Leniency (amnesty) plus: a building block or a Trojan Horse?

Marek Martyniszyn, Journal of Antitrust Enforcement, 3 (2): 391-407, 2015

See Marek Martyniszyn 's resume

Leniency (amnesty) plus is one of the tools used in the fight against anticompetitive agreements. It allows a cartelist who did not manage to secure complete immunity under general leniency, to secure an additional reduction of sanctions in exchange for cooperation with the authorities with respect to the operation of another prohibited agreement on an unrelated market. The instrument was developed in the USA and, in recent years, it was introduced in a number of jurisdictions. This article contextualizes the operation of and rationale behind leniency plus, forewarning about its potential procollusive effects and the possibility of its strategic (mis)use by cartelists. It discusses theoretical, moral, and systemic (deterrence-related) problems surrounding this tool. It also provides a comparison of leniency plus in 11 jurisdictions, identifying common design flaws. This piece argues that leniency plus tends to be a problematic and poorly transplanted US legal innovation. Policy-makers considering its introduction should analyse it in the light of institutional limits and local realities. Some of the regimes which already introduced it would be better off abandoning it.

Download our brochure