product process and service a new industry lifecycle model michael cusumano mit sloan school of management 50 memorial drive e52 538 cambridge ma 02142 1347 usa edu steve kahl 511 skahl fernando f suarez boston university 595 commonwealth ave room 546 massachusetts 02215 suarezf bu april 21 2006 draft not for distribution without permission abstract existing models evolution tend to focus on changes in the products processes largely overlook dynamics services increasingly however revenues many firms are becoming dominated by sales rather than or sold with gain competitive differentiation markets marked increasing commoditization this paper we try explain role firm validate our framework analyze revenue mix contribution at several hundred publicly listed pre packaged software 1 introduction one main ideas theories how industries evolve is that
