A survey of the economic role of software platforms in computer-based industries : presented at CESifo Economic Studies Conference on Understanding the Digital Economy: facts and theory, July 2004

Software platforms are a critical component of the computer systems underpinning leading edge products ranging from third generation mobile phones to video games. After describing some key economic features of computer systems and software platforms, the paper presents case studies of personal computers, video games, personal digital assistants, smart mobile phones, and digital content devices. It then compares several economic aspects of these businesses including their industry evolution, pricing structures, and degrees of integration.