This paper aims at deducing how different owner-management relations of operators lead them and a regulator to make different decisions with regard to broadband, by adopting an approach of neo-institutional economics and a model based on game theory. Out of five modes that Aoki (2010) proposes...

This paper aims at deducing how different owner-management relations of operators lead them and a regulator to make different decisions with regard to broadband, by adopting an approach of neo-institutional economics and a model based on game theory. Out of five modes that Aoki (2010) proposes...

The patent is regarded as an indicator of a firm’s innovativeness and many studies have tried to use it as a proxy for the same. However, little research focuses on the impact of the substantial value of patents on stock prices. This study employs event study analysis to explore the stock...

While the government encourages women's active participation in the economy, the evidence on the causal relationship of female participation to firm performance has been relatively unsupported in Japan. This study examines the short-term stock market response to a disclosure policy, i.e., the...

This paper aims to investigate the existence of "data network effects" in data platform services such as Big Data, Internet-of-Things (IoT) and Artificial Intelligence (AI) and their influence on the diffusion of the services. It intendsto present a preliminary formal analysis ofthe effects of...

Communication via mobile telephones is widespread in East Asian metropolis such as Seoul, Taipei and Tokyo. In the last ten years, the number of mobile telephone users has increased dramatically, with the younger generation in particular depending on the services available via mobile telephones....

This study quantitatively examines factors behind the Japanese public's high voluntary compliance with the government's 'new normal' advice during COVID-19 from both sociocultural and health communication perspectives. Using survey data collected from 3,100 adults in Japan in October 2021, it is...

This study aims to investigate the influence of different types of trust on the installation of the COVID-19 Contact-Confirming Application (COCOA) in Japan with data collected from both installed and non-installed users. Despite the country's digital readiness, Japanese people hesitate to...

This paper aims to analyze how the prevalence of COVID-19 infection has affected the adoption of the contact-confirming application in Japan and how network externalities have emerged in the diffusion process. Japan's COVID-19 contact-confirming application (COCOA), launched on June 19, 2020,...