I find that current US's and EU's Antitrust laws -- in particular their "moderate"' leniency programmes that only reduce or at best cancel sanctions for price-fixing firms that self-report -- may make collusion enforceable even in one-shot competitive interactions, like Bertrand oligopolies and...

Using data from Italian public works, we study whether and which procuring administrations manipulate the value of contracts to avoid crossing regulatory thresholds that limit discretion, and how this impacts procurement outcomes. We use bunching estimators to document substantial manipulation...

In practical activity, the procurer can often decide to split the supply of a product in multiple contracts, or lots. This paper surveys some competitive tendering procedures for multiple contracts and discusses how the choice of the most appropriate format of competitive tendering for the...