World Development Report 1997: The State in a Changing World (report no. 17300) argued that institutions-the rules of the game that govern production and exchange-shape a country's prospects for sustained market-led growth. The author provides an institutional framework for service delivery, an...

The most effective regulators in developing countriesare following remarkably similar approaches. The main common element across"best practice"countries is the use of relatively simple quantitative models of operators'behavior and constraints to measure the impact of regulatory decisions on some...