Book Review: Economics and the Enforcement of European Competition Law, by Christopher Decker. (E. Elgar, 2009) - World Competition View Book Review: Economics and the Enforcement of European Competition Law, by Christopher Decker. (E. Elgar, 2009) by Abel M. Mateus - World Competition Book Review: Economics and the Enforcement of European Competition Law, by Christopher Decker. (E. Elgar, 2009) Abel M. Mateus 34 1 World Competition