Takashi Okamoto

J-GLOBAL         Last updated: Nov 10, 2019 at 14:10
 
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Name
Takashi Okamoto
Affiliation
Ehime University
Section
Faculty of Collaborative Regional Innovation, Department of Industrial Management
Job title
Professor
Degree
Ph.D in Economics(Osaka University)

Research Areas

 
 

Academic & Professional Experience

 
Apr 2016
 - 
Today
Professor, Faculty of Collaborative Regional Innovation, Ehime University
 
Apr 2015
 - 
Mar 2016
Professor, Faculty of Law and Letters, Ehime University
 
Apr 2007
 - 
Mar 2015
Associate Professor, Faculty of Law and Letters, Ehime University
 
Apr 2004
 - 
Mar 2007
Associate Professor, Faculty of Law and Letters, Ehime University
 
Apr 1999
 - 
Mar 2004
Associate Professor, Faculty of Law and Letters, Ehime University
 

Education

 
Apr 1994
 - 
Mar 1999
Management Science and Business Administration, Graduate School of Economics, Osaka University
 
Apr 1990
 - 
Mar 1994
Department of Economics, Faculty of Economics, Osaka University
 

Published Papers

 
Japanese University Students’ Acceptance of Cross-border Electronic Commerce
Takashi Okamoto, Jiro Yatsuhashi, Naoki Mizutani
MISNC '19 Proceedings of the 6th Multidisciplinary International Social Networks Conference      Aug 2019   [Refereed]
Takashi Okamoto, Jiro Yatsuhashi, Naoki Mizutani
MISNC '18 Proceedings of the 5th Multidisciplinary International Social Networks Conference      Jul 2018   [Refereed]
Management Challenges and Support for Companies in Matsuyama City
Takashi Okamoto, Hidenobu Sai
Journal of Ehime Management Society   1(1) 3-11   Mar 2018
Takashi Okamoto, Nobuyuki Soga, Taro Kumagai, Hideo Arai
The Review of Socionetwork Strategies   11(2)    Dec 2017   [Refereed]
Takashi Okamoto, Jiro Yatsuhashi, Naoki Mizutani
MISNC2017 Proceedings      Jul 2017
Japanese Online Purchase Behavior and Priorities
Takashi Okamoto
Common Platform to a Sustainable Society in the Dynamic Asia Pacific   294-309   Oct 2016
Takashi Okamoto
International Journal of Web Engineering and Technology   11(3) 233-258   2016   [Refereed]
Takashi Okamoto, Nobuyuki Soga, Taro Kumagai, Hideo Arai
Proceedings of the The 3rd Multidisciplinary International Social Networks Conference on Social Informatics      Aug 2016   [Refereed]
Takashi Okamoto
Knowledge Management in Organizations   386-396   Sep 2014   [Refereed]
Takashi Okamoto
The 8th International Conference on Knowledge Management in Organizations   451-462   Sep 2013   [Refereed]
Nobuyuki Soga,Takashi Okamoto
11th Annual International Symposium on Applications and the Internet, SAINT 2011, Munich, Germany, 18-21 July, 2011, Proceedings   568-573   Jul 2011   [Refereed]
Takashi Okamoto
Tenth Annual International Symposium on Applications and the Internet, SAINT 2010, Seoul, Korea, 19-23 July, 2010, Proceedings   320-323   Jul 2010   [Refereed]
Takashi Okamoto
Ninth Annual International Symposium on Applications and the Internet, SAINT 2009, Bellevue, Washington, USA, July 20-24, 2009, Proceedings   212-215   Jul 2009   [Refereed]
Takashi Okamoto
Proceedings of the 2008 International Symposium on Applications and the Internet, SAINT 2008, 28 July - 1 August 2008, Turku, Finland   425-428   Aug 2008   [Refereed]
Takashi Okamoto
The Japan Association for Social Informatics   15(1) 21-34   Mar 2003   [Refereed]
It is well known that information commodities have network externalities (NE). Because of the externalities, the markets of information commodities tend to become the monopoly. But if NE consist of two factors, each effect stemming from the agent'...
Diffusion Properties and Strategies for Goods with Network Externalities
Takashi Okamoto
Osaka University      Mar 2002   [Refereed]
Takashi Okamoto
The Japan Association for Social Informatics   11 107-119   Sep 1999   [Refereed]
Among "information network goods, " such as information commodities, there are many that require learning to facilitate their utilization. These goods possess unique characteristics in their diffusion process. This is because the essential qualiti...

Misc

 
Online Business and Revitalization in Regional Area
OKAMOTO Takashi
(39) 124-129   Dec 2018   [Invited]
University Students' Competency: Companies Evaluation and University Students Self-evaluations
OKAMOTO Takashi, KUMAGAI Taro, SOGA Nobuyuki
Ehime Economic Journal   34(2) 1-8   Dec 2014
A Qualification Survey on Ehime University and Matsuyama University Students
Takashi Okamoto, Taro Kumagai, Nobuyuki Soga
The Bulletin of the Faculty of Law and Letters   36 1-17   Feb 2014
Takashi Okamoto, Naoki Mizutani
IEICE technical report   113(33) 17-22   May 2013
Takashi Okamoto
Ehime Economic Journal   32(2) 1-20   Mar 2013
Takashi Okamoto, Taro Kumagai, Nobuyuki Soga
Ehime Economic Journal   32(2) 21-29   Mar 2013
Takashi Okamoto, Taro Kumagai, Nobuyuki Soga
Ehime Economic Journal   31(2) 1-9   Mar 2012
Takashi Okamoto, Taro Kumagai, Nobuyuki Soga, Keiichiro Nishio
ANNALS of the Research Center for Regional Community Innovation Ehime University   (7) 47-61   Mar 2012
Takashi Okamoto, Taro Kumagai, Nobuyuki Soga, Keiichiro Nishio
ANNALS of the Research Center for Regional Community Innovation Ehime University   (7) 63-68   Mar 2012
Using choice experiments to value an employment from the point of view of university student
Takashi Okamoto, Taro Kumagai, Nobuyuki Soga, Keiichiro Nishio
Ehime Economic Journal   31(1) 11-20   Feb 2012
Takashi Okamoto, Taro Kumagai, Nobuyuki Soga, Keiichiro Nishio
Ehime Economic Journal   31(1) 1-10   Feb 2012
Young People's Behavior and Consciousness for Online Shops
Takashi Okamoto
Journal of Informatics and Regional Studies   3(1) 47-58   Mar 2011
岡本 隆
Ehime economic journal.   29(2) 1-12   Mar 2010
Takashi Okamoto
Ehime economic journal.   29(2) 1-12   Mar 2010
Electronic Commerce for Revitalizing Rural Economy: Application of B to C and Regional Brand
Takashi Okamoto
Journal of Informatics and Regional Studies   2(1) 25-36   Mar 2010
松本朗, 小淵港, 徐祝旗, 岡本直之, 岡本隆, 深堀政喜, 藤田友幸
愛媛大学産業科学技術支援センター研究成果報告書   (10) 17-25   Nov 2006
The Diffusion Propaties with the factor of interpersonal relationship
Takashi Okamoto
Discussion Papers In Economics And Business (Osaka University)   (Discussion Paper 02-01) 1-24   Jan 2002
Takashi Okamoto, Hidehiko Sanada
Technical report of IEICE. OFC   98(680) 13-18   Mar 1999
Developing of information technologies, many information commodities have been supplied to the market. The diffusion process of them possess unique characteristics in their diffusion process. So, when firms try to diffuse their own products, the n...
Miha Takubo, Takashi Okamoto, Toshio Kobayashi, Hidehiko Sanada
Technical report of IEICE. OFC   97(412) 45-50   Nov 1997
Because of a rapid growth of the network industry, concepts of consumption externalities and network externalities have become the center of discussions in the field of management science. In this paper, on the basis of our model included in a fir...
Okamoto Takashi, Takubo Miha, Kobayashi Toshio, Sanada Hidehiko
Technical report of IEICE. OFC   97(66) 19-24   May 1997
What influence the electronic money as payment tools do on the social and economic systems should be investigated from the viewpoint of the payment functions. Any payment tool cannot work well without establishing the social position of commonly a...
Okamoto Takashi, mizutani Naoki, Sanada Hidehiko
Technical report of IEICE. OFC   96(381) 19-24   Nov 1996
Among network services, there are the services that a few member groups interact each other like credit card service. Those services have mutual-dependent network externalities, which are different from network externalities known previously. In t...
Okamoto Takashi, Mizutani Naoki, Sanada Hidehiko
Technical report of IEICE. OFC   95(580) 25-30   Mar 1996
It has been previously known that network externalities exist in network service. We think that there are several types of network externalities. In this study, we have classified the network externalities into three types on the basis of their me...
Okamoto Takashi, Takahashi Sadatsugu, Mizutani Naoki, Sanada Hidehiko
Technical report of IEICE. OFC   95(77) 1-6   May 1995
Spread of interactive information communication service has a specific characteristic called network externalities. Because of these network externalities, competition between two networks creates peculiar characteristics that do not exist in othe...
Okamoto Takashi, Takahashi Sadatsugu, Mizutani Naoki, Sanada Hidehiko
Technical report of IEICE. OFC   93(508) 25-30   Mar 1994
On the decision to hold a credit-card,we consider its availability at shops.Contrary,for shops,whether or not to implement card readers depends upon how much the cards prevail.To study the network externalities of this type,we can′t use the form e...

Books etc

 
IT Enabled Services
UESUGI Shiro (Part:Contributor, Chap.11 "Japanese Students' Behavior Toward E-Commerce")
Springer   Jan 2013   ISBN:978-3-7091-1424-7

Conference Activities & Talks

 
Consumer behavior and priorities toward cross-border electronic commerce
Takashi Okamoto
Information and Management   9 Nov 2019   Japan Society for Information and Management
The development of students’ self-evaluation of fundamental competencies for working persons by short-term internship
Takashi Okamoto, Masae Sonoda, Nobuyuki Soga, Shuji Fukahori, Kousuke Tawa
The Japan Society for Management Information   19 Oct 2019   
Japanese University Students’ Acceptance of Cross-border Electronic Commerce
Takashi Okamoto, Jiro Yatsuhashi, Naoki Mizutani
MISNC2019   28 Aug 2019   
The effects of Internship programs for university students on their self-evaluation of fundamental competencies for working persons
Takashi Okamoto
Japan Society of Information and Management   8 Jun 2019   
Young People’s Purchase Intentions in Online Flea Market
Takashi Okamoto, Jiro Yatsuhashi, Naoki Mizutani
MISNC2018   16 Jul 2018   
Young People's Usage for Smartphone Applications in Online Shopping
Okamoto Takashi, Jiro Yatsuhashi, Naoki Mizutani
The Japan Society for Management Information   8 Mar 2018   
University Students' Priorities for Smartphone Applications in Online Purchasing
Takashi Okamoto, Jiro Yatsuhashi, Naoki Mizutani
MISNC2017   17 Jul 2017   
Priorities of Smartphone Online Shopping Applications for Young People
Takashi Okamoto, Jiro Yatsuhashi, Naoki Mizutani
ITS KYOTO 2017   27 Jun 2017   
Japanese Online Purchase Behavior and Priorities
Takashi Okamoto
Asia Pacific Conference on Information Management 2016(APCIM2016)   22 Oct 2016   
Realities and Ideals of Competencies : The Perceptual Gaps between Companies and University Students
Takashi Okamoto, Nobuyuki Soga, Taro Kumagai, Hideo Arai
MISNC2016   15 Aug 2016   
Vietnamese and Japanese Consumer Priorities in Online Shopping
OKAMOTO Takashi, MIZUTANI Naoki
29 Nov 2015   The Japan Society for Management Information
Vietnamese Consumer Priorities in Online Shopping
Takashi Okamoto, Naoki Mizutani
9 Nov 2014   
The study on Young people’s Behavior and Attitudes to Online Shops
Takashi Okamoto
APCIM2012   17 Aug 2012   
The Difference of Consumer Behavior toward Online Shops between Urban and Rural
Takashi Okamoto
NII Shonan Meeting   1 Aug 2012   
Taro Kumagai, Nobuyuki Soga, Keiichiro Nishio, Takashi Okamoto
The Japan Society for Management Information   29 Oct 2011   
ITeS for Solving Agency Problem of Comprehensive Private Consignment of Public Facility
Takashi Okamoto
ITS2009   17 Aug 2009   
Revitalizing Rural Economy with B to C and Regional Brand
Takashi Okamoto
APCIM2009   28 Mar 2009   
A Questionnaire Survey of IT Skill Required by Students with Arts Background
Yoshiaki Tachibana, Takashi Okamoto, Hidenobu Sai, Tadayuki Okamoto
18 Sep 2006   

Research Grants & Projects

 
Japan Society for the Promotion of Science: Grants-in-Aid for Scientific Research
Project Year: Apr 2018 - Mar 2021    Investigator(s): OKAMOTO Takashi
Comprehensive Private Consignment of Public Facilities for Efficient Management of Water and Sewage Services
Project Year: 2008 - 2010
Revitalizing Rural Economy with B to C and Regional Brand
Project Year: 2007 - 2009
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(若手研究(B))
Project Year: Apr 2007 - Mar 2009    Investigator(s): Takashi OKAMOTO
B to C, one of the representatives of ITeS, is considered as the means to revitalize rural economy. B to C provides great potential of business for rural stores. At the same time, it has the limit in the view point of differentiation of stores and...
Economic Trends of Small and medium businesses in Ehime Pref.
Project Year: 2003   
Network Externalities and Competition Strategies