Shinichi Yamaguchi

J-GLOBAL         Last updated: Oct 13, 2019 at 18:56
Shinichi Yamaguchi
International University of Japan
Center for Global Communications
Job title
Assistant Professor
Ph.D. (Economics)

Research Areas


Awards & Honors

Jun 2018
The Significance of a Free-Business Model in Creative Industries, The Japan Society of Information and Communication Research, Paper Award, The Japan Society of Information and Communication Research
Mar 2018
The research of flaming, 33th Telecommunications Advancement Foundation Award, Telecommunications Advancement Foundation
Jun 2017
An Empirical Analysis of the Game Industry to Demonstrate Decreased Impact of Network Externalities Over Time, Takamiya Award, The Academic Association for Organizational Science
Jun 2017
The Impact of Consumer Payments on Long-Term Sales in Freemium, The Japan Society of Information and Communication Research, Paper Award, The Japan Society of Information and Communication Research

Academic & Professional Experience

Jul 2018
Assistant Professor, Center for Global Communications, International University of Japan
Apr 2015
Jun 2016
Center for Global Communications, International University of Japan


Apr 2012
Mar 2015
Ph.D., Graduate School of Economics, Keio University
Apr 2010
Mar 2012
Master, Graduate School of Economics, Keio University
Apr 2006
Mar 2010
Department of Economics, Keio University

Books etc

Economics of flaming and online review
Shinichi Yamaguchi
Asahi Shimbun Publications Inc.   Jun 2018   ISBN:4023317063
田中 辰雄, 山口 真一 (Part:Joint Work)
勁草書房   Apr 2016   ISBN:4326504226
田中 辰雄, 山口 真一 (Part:Joint Work)
勁草書房   May 2015   ISBN:4326504064

Published Papers

An empirical analysis of the relationship between the internet users’ eWOM behavior and their characteristics / motivation in Japan
Shinichi Yamaguchi, Iyanaga Kotaro, Hirohide Sakaguchi
Journal of Information and Communication Research   37(1) 37-46   Jul 2019   [Refereed]
Two Strategies in the Freemium Industry:
Tatsuo Tanaka, Shinichi Yamaguchi, Koutaro Yanaga
Organizational Science   52(3) 47-56   Mar 2019   [Refereed]
Fake News Identity and the Future of the Information Society
Shinichi Yamaguchi
Harvard Business Review   44(1) 62-73   Dec 2018   [Invited]
The Boosting Effect of E-WOM on Macro-level Consumption: A Cross-Industry Empirical Analysis in Japan
The Review of Socionetwork Strategies   12(2) 167-181   Dec 2018   [Refereed]
The Impact of the Information Source on the Consumer Willingness to Continue Service : An Empirical Analysis in Mobile Game Industries
Iyanaga<, K., Yamauchi, S., Sakaguchi, H., & Tanaka, T.
InfoCom Review   (71) 2-14   Jul 2018   [Refereed]


The Economic Impact of Information Sharing on the Internet
Shinichi Yamaguchi et al.
Innovation Nippon 2015 Research Report      Feb 2016

Conference Activities & Talks

The relationship between time spent playing mobile games and wellbeing
Shinichi Yamaguchi
The Society of Socio-Informatics 2019   15 Sep 2019   
People's evaluation of data utilization by platform companies
Shinichi Yamaguchi
2019 Spring (40th) Information and Communications Conference   30 Jun 2019   
The bias of opinions on the Internet: An empirical analysis of Japan-US online review [Invited]
Shinichi Yamaguchi
2019 The annual meeting of the organization society   22 Sep 2018   
Does the online review reflect the long-term views?: An empirical analysis of mobile games
Shinichi Yamaguchi
2018 Spring (38th) Information and Communications Conference   1 Jul 2018   
The Impact of Official and Informal Free Goods: An Empirical Analysis of Creative Industries in Japan
Shinichi Yamaguchi, Hirohide Sakaguchi, Kotaro Iyanaga, Tatsuo Tanaka
44th Annual Conference of the European Association for Research in Industrial Economics (EARIE)   1 Sep 2017