"This study reviews regulatory instruments designed to reduce environmental externalities from the transport sector. The study finds that the main regulatory instruments used in practice are fuel economy standards, vehicle emission standards, and fuel quality standards. Although industrialized...

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...

"This paper relaxes some key assumptions in the probabilistic approach to fiscal sustainability. First, the authors identify structural breaks over the sample period used to estimate the covariance matrix of the shocks to the debt ratios. Second, the assumption of normality of the shocks is...

Land is the integrating component of all livelihoods depending on farm, forest, rangeland, or water (rivers, lakes, coastal marine) habitats. Due to varying political, social, and economic factors, the heavy use of natural resources to supply a rapidly growing global population and economy has...