The regulatory lag- the number of years between price reviews - determines the power of a price-cap contract. Around the world, most price-cap contracts have a regulatory lag of four to five years. However, this practice doesn’t seem to be based on any optimality consideration. Schmalensee...

To guarantee adequate and affordable water and sanitation services for vulnerable households, Chile introduced an individual means-tested water consumption subsidy a decade ago. Although the public authorities determine how the subsidy is applied, the mostly private companies deliver the service...

Infrastructure has particular challenges in public procurement, because it is highly complex and customized and often requires economic, political and social considerations from a long time horizon. To deliver public infrastructure services to citizens or taxpayers, there are a series of...

July 1999 - Efficiency indicators can be useful to regulators assessing the efficiency of an operation and the wedge between tariff and minimum costs. They allow regulators to control for factors over which the operators have no control (such as diversity of water sources, or water quality or...