Dottori, Davide; DESIDERIO, Saul - Dipartimento di Scienze Economiche e Sociali, Facoltà … - 2007
Often the intensity of competition has been measured through proxies like the degree of product substitutability or as the inverse of the degree of concentration in an industry. Both visions are based on the implicit assumption that few competitors imply a less though competition, but puzzles...