This paper has been prepared in accordance with the terms of reference for a study on power system planning in India: incorporating externality costs and benefits. It reviews estimates of the external costs of power in international studies as well as in India and compares the figures available....

An efficient and affordable access to jobs, education and services is considered a fundamental element for development. However, the mobility conditions in the cities have deteriorated because of the increasing motorization and urbanization. The number of new cars that enter the cities every...

The Water and Sanitation Program's (WSP's) Global Scaling up Sanitation Project combines the approaches of Community-Led Total Sanitation (CLTS), behavior change communications, and social marketing to generate sanitation demand and strengthen the supply of sanitation products and services at...

After a period of stagnation, the story of hydropower infrastructure is changing. Emerging global dynamics are recasting the role and value of hydropower in development, recognizing its potential contribution to a complex web of energy security, water security and regional development and...

"In this paper, the authors describe South Africa's value added tax (VAT), showing that (1) the VAT is mildly regressive, and (2) it is an effective source of government revenue, compared with other tax instruments in South Africa. They evaluate the VAT in the context of other distortions in the...