Cengizs book reaches significantly beyond legal analysis to examine the economics of federalism and also the political processes that characterize competition policy federalism in the EU and the US. [ ...] This is an excellent book, of interest to academicians or legislators as much as practicing lawyers in areas of federal regulatory conflict. Herbert J. Hovenkamp, University of Iowa - College of Law This is an excellent book, of interest to academicians or legislators as much as practising lawyers in areas of federal regulatory conflict' - Herbert Hovenkamp, University of Iowa, for European Law Review