Incentive theory and regulation.

Summary The last twenty years have seen the role of the state in the productive sector change considerably. From being a producer or political actor deeply involved in the management of firms, it has become a regulator and provider of incentives. Its new role required a renewed conceptual framework for designing tariff reforms, making firms more accountable for their costs, facilitating competition for or in the market without expropriating incumbents, or solving problems related to the state's lack of commitment and its eventual capture. [4th cover page].