We use the DATAMATION index of the top 50 domestic IT companies (1975-1995) to track persistence and change at the top of the sector. The trends that we uncover are increasing instability, rejuvenation (declining average age of entrants coupled with increasing average age of quitters),...

In this paper we focus on open-source software within the broader framework of the software industry. More specifically, we compare proprietary and open-source software (OSS) companies in terms of three criteria: (a) approaches to the production of software; (b) business models; and (c) strategic...