It is important for policy makers to understand the extent to which the purported benefits of energy efficiency are real, and how they can be achieved. This "reflections" aims to help the policy community understand how the literature can assist them in assessing the opportunities, challenges,...

This article examines the extensive and evolving literature regarding the economics of water policy. It offers policymakers a way of thinking and a set of skills to (1) identify the least-cost way to reach a particular water quantity or quality objective or set of objectives (e.g., cost...