This paper reports results from an experiment studying how fines, leniency programs and reward schemes for whistleblowers affect cartel formation and prices. Antitrust without leniency reduces cartel formation, but increases cartel prices: subjects use costly fines as (altruistic) punishments....

We study the consequences of leniency - reduced legal sanctions for wrongdoers who spontaneously self-report to law enforcers - on sequential, bilateral, illegal transactions, such as corruption, manager-auditor collusion, or drug deals. It is known that leniency helps deterring illegal...

This article argues that it will be difficult, if not impossible, to control Somali piracy for four reasons. First, Somali piracy is a land-based problem and naval control mechanisms are not changing the incentives for pirates. Second, improving Somalia's anarchic political situation will not...