This paper presents the analyses of the determinants of mobile carrier switching behaviour based on the idea that such the behaviour is the evidence of competition in the mobile market. Indeed, with the possibility to change a mobile service provider, there will be less concentration of...

The aim of this study is to investigate how the use of Information and Communication Technology (ICT) and mass media can motivate people in the disaster area to recover from the Great East Japan Earthquake with empirical data. Both ICT and mass media have played an important role after the...

This paper is the first part of a two-part study that aims to examine the relationship between collective resilience and ICT and media information. Previous studies find that in disaster and emergency situations, most people are capable to remain coherent and to offer mutual help. Referred as...

Over-the-top (OTT) media and communications services are shifting internet consumption towards the increase of traffic over the internet. Since FTTH provides the highest capacity and speed of the broadband service, this paper attempts to examine the impact of OTT services to consumers to...

The ubiquity of mobile devices such as smartphones, laptops, tablets, and mobile routers drives unprecedented mobile data traffic every year. However, the actual mobile data usage per subscriber or data volume delivered to the subscriber varies significantly between operators and nations....

This study examines factors that affect disaster evacuees' usage of different media in a multi-channel media environment, which means that people can receive similar content from multiple media channels. Using the 2016 Kumamoto Earthquake in Japan as the case study, we find that that...

Rapid ICT development in recent decades has attracted substantial consideration from academia. Moreover, many studies suggest the advancement of mobile technology has the substantial effect on development, especially in developing countries. Despite the massive adoption of mobile communication,...

This study quantitatively examines how the term 'fake news' is being portrayed by the Japanese news media using semantic network analysis. It uses newspapers as the representative as they are still one of the most influential news media in Japan. The data set consists of 624 newspaper articles...

This paper looks at the recent discussion on "Lootboxes" by regulators in several countries referring to the case of Japan in the light of business model revolutions. A game-of-chance mechanic which can be found in more and more in digital games to acquire virtual items and to help monetize...