the measurement of efficiency, such as price caps, revenue caps, or yardstick competition. The book focuses on methodology …This book is intended to help regulators learn about the tools needed to measure efficiency. It is based on lecture … benefited from feedback received during those courses. It provides an overview of the various dimensions of efficiency that …

This paper provides a "back-of-the-envelope" assessment of the efficiency effects of the reforms of the water sector in … regulatory regimes which require estimates of economic efficiency changes, none have actually issued any estimate yet. This paper … provides upper bounds estimates of efficiency gains achieved for four operators. The paper concludes with a discussion of the …

shows that taxpayers are the main losers as subsidies are still needed. There are also serious efficiency-equity trade …