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....

The aim for this study was to assess the impact of irrigation activities in the Brazilian Semi-Arid (BSA) Region, and to analyze to what extent irrigated agriculture in this region has contributed to the reduction of poverty levels and regional inequalities, income growth and distribution, and...

"The pressure on an already stressed water situation in South Africa is predicted to increase significantly under climate change, plans for large industrial expansion, observed rapid urbanization, and government programs to provide access to water to millions of previously excluded people. The...

"The increase in the international price of rice is likely to have substantial negative impacts on the poor in countries such as Mali which are net importers of rice. This paper relies on a dynamic CGE model to estimate the likely impact of the recent increase in rice prices on poverty with and...

"The present study uses the GIDD, a CGE-microsimulation model for Global Income Distribution Dynamics, to understand the ex-ante dynamics of global income distribution. Three main robust results emerge. First, under a set of realistic assumptions, there will be a reduction in global income...

"Four West African nations have demanded that the World Trade Organization's Doha Development Agenda include a Cotton Initiative that involves two issues: cutting cotton subsidies and tariffs, and assisting farm productivity growth in Africa. The authors provide estimates of the potential...

"The authors provide estimates of the economic impact of initial adoption of genetically modified (GM) cotton and of its potential impacts beyond the few countries where it is currently common. They use the latest version of the Global Trade Analysis Project (GTAP) database and model. The...

"Since the early 1980s the Philippines has undertaken substantial trade reform. The current Doha Round of World Trade Organization (WTO) negotiations is now likely to bring further reform and shocks to world import prices and export demand. The impact of all these developments on the poor is not...

"The authors analyze general equilibrium relationships between trade policy and the household distribution of income, decomposing social welfare into real income level and variance components and emphasizing Gini and Atkinson indexes. They embed these inequality-adjusted social welfare functions...