We study the choice of the regulatory structure when a regulated firm engages in different activities for different countries. Under decentralization each activity is regulated independently and the contracts offered to the firm suffer from two opposite distortions with respect to...

Regulators often do not regulate all firms competing in a given sector. Due to product substitutability, unregulated competitors have incentives to bribe regulated firms to have them overstate their costs and produce less, thereby softening competition. The best collusion-proof contract entails...

This paper proposes a unified theoretical framework to discuss the costs and benefits of privatization using the recent advances of Incentive Theory. I begin by presenting a simple model in which the State (the principal) delegates a task (e.g., the production of a public good) to the private...