Developing nations have the advantage of starting fresh and having room to experiment with methods and policies; of course, they also have the disadvantage of coping with ideas that seemed to be good at the time. This collection of articles describes how various cases in Latin America fared under new regulatory exercises, including the practice of top-down v. bottom-up benchmarking in natural monopoly regulation in a case involving Chile and the UK, labor productivity change estimates as an input for X-factors, efficient firm standards in Chilean monopoly regulation, estimation of productive efficiency based on non-parametric techniques in the case of electricity distribution in Argentina, a distance function approach in the case of the evolution of Mexico's port efficiency, computable general equilibrium models applied to regulatory economics and the effective of competition policy in Argentina, Chile and Peru in the 1990s. Annotation ©2007 Book News, Inc., Portland, OR (booknews.com)