This article deals with the State regulation of drinking water and sanitation services in the Metropolitan Area of Buenos Aires. Its main objective is to identify the continuities and ruptures in State regulation during the transition from private management (1993-2006) to renationalisation and State management (2006 onwards). The concept of “State capacities” (both administrative and relational) is used to assess regulatory performance. For the administrative capacities, the correspondence between the design and resources of the agencies, as well as the […]