We study firm-level adoption of packaged software products of almost 4,000 UK sites between 2000 and 2003. We consider all software used in a firm as its software product and categorize it into related, but distinct subsystems : the core subsystem (Operating Systems), and Desktop and En-terprise...

We document the evolution of product innovation and features in the mobile telephone handset market. We distinguish between two types of product innovation: vertical and horizontal innovation. Using data on mobile telephone handsets from 1990 to 2003, we study the emergence of a dominant design...

We review the recent literature on market structure, firm strategies and public policy in network industries. In particular, we focus on the latest applied work, including case studies and empirical work as well as refinements of the established theoretical results. We group each set of results...

This paper studies the effects of a country’s regulatory setting and competitive environment on the performance of second-generation (2G) mobile telecommunication. We consider three dimensions of sector performance: entry time, service prices and diffusion. We address the question of...

We review the recent literature on market structure, firm strategies and public policy in network industries. In particular, we focus on the latest applied work, including case studies and empirical work as well as refinements of the established theoretical results. We group each set of results...

We study the effect of new product introduction on firm value. Using a unique sample on mobile phone handset introduction by 16 major handset manufacturers over 10 years, we distinguish between imitative product introduction and truly innovative product introduction. We find that while most...

We study the effect of new product introduction on firm value. Using a unique sample on mobile phone handset introduction by the 16 largest major handset manufacturers from 1992 to 2002, we distinguish between truly innovative product introduction and imitative product introduction. We find that...

We document the evolution of product innovation and features in the mobile telephone handset market. We distinguish between two types of product innovation : vertical and horizontal innovation. Using data from 1990 - 2003, we find that some characteristics have subsequently become an industry...