’This volume collects a number of original, cutting-edge contributions that take the reader swiftly and easily to the frontier of research on most of the current hot topics in industrial organization, antitrust and regulation. Skillfully edited by two outstanding leaders in the field, the volume will be a precious source for students, researchers and practitioners that need to figure out what research has achieved in recent years on these important policy issues.’- Giancarlo Spagnolo, SITE - Stockholm School of Economics and University of Tor Vergata, Sweden