Market definition plays a critical role in EC competition law, as the first step of any investigation into the nature of competition in a given industry. While not an end in itself, definition of the relevant market serves to identify those products and areas which effectively restrain the...

"In recent years, market definition has come under attack as an analytical tool of competition law. Scholars have increasingly questioned its usefulness and feasibility. That criticism comes into sharper relief in dynamic, innovation-driven markets, which do not correspond to the static markets...