This paper investigates the impact of iPhone, a representative of smartphones, on telecommunications carriers and handset manufacturers in U.S.A, Europe, and Japan. We choose the "event study" methodology to evaluate the impact of iPhone emergence. We also look at the financial profit of the...

Improved internet connectivity has been a consistent aim of Japanese telecommunications policy in the past decades, however, despite the high availability of high speed and ultra-high speed broadband services, actual use has yet to match network capacity. This study hopes to explore this paradox...

The experiences made with i-Mode in Japan in from 2000 - 2010 suggested that the development of so called mobile ecosystems can help to trigger continuous evolution of the mobile industry and created a sustainable platform for third generation mobile networks (3G). At the same time on a global...

This paper investigates how spectrum policy affects the diffusion of innovation in the telecommunications sector, and is part of a general discussion on expanding spectrum policy aims to address sector innovativeness. We argue that innovation can be analytically depicted not only as the...