A Presentation on Assessment of Market Power and Dominance

Now if antitrust were a movie, then market definition, which Professor Schmalensee has talked about earlier, is surely the star. Perhaps even a superhero. Market definition can guarantee a victory for a competition authority against the corporate villain. Or it can sweep in and save an innocent business wrongly charged. Or course, it can also help a misguided competition authority against an innocent company, or help a corporate villain with clever lawyers against an a