Development projects have a wider set of impacts than just direct project outputs. A hydropower dam, for example, produces electricity but also disrupts river flows and may affect biodiversity and the general aquatic environment. A new port development may affect coastal resources such as...

This paper provides guidance to Bank staff on how to conduct an expanded, comprehensive economic cost-benefit analysis (CBA) in order to measure net benefits from a project taking both project and environmental factors into account, as required under Directives B.5 and B.9 in the Bank's...