Updated on 2025/04/08

写真a

 
Soga Nobuyuki
 
Organization
Faculty of Collaborative Regional Innovation Department of Industrial Management Professor
Title
Professor
Contact information
メールアドレス
External link

Degree

  • Doctor ( Kobe University )

Research Interests

  • 契約

  • 遺伝子による差別

  • モラルハザード

  • moral hazard

  • adverse selection

  • genetic discrimination

  • insurance market

  • incentive

  • asymmetric information

  • インセンティブ

  • 情報の非対称性

  • 逆選択

  • 保険市場

Research Areas

  • Humanities & Social Sciences / Economic theory

Professional Memberships

Papers

  • Interfaculty Comparison of Generation Z's willingness to contribute to society based on WTP of SDGs

    Sai Hidenobu, Orito Yohko, Okamoto Takashi, Okamoto Tadayuki, Soga Nobuyuki, Tachibana Yoshiaki

    Abstracts of Annual Conference of Japan Society for Management Information   202311   273 - 276   2024.1

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    Language：English   Publisher：THE JAPAN SOCIETY FOR MANAGEMENT INFORMATION (JASMIN)  

    Generation Z (born between late 1990s and early 2010s) is considered to be more motivated to contribute to society and more enthusiastic about solving social issues such as the SDGs (Sustainable Development Goals) than other generations before them. We conducted a survey on willingness to contribute to society by asking regional university students to select their WTP (willingness-to-pay) for the importance they attach to specific items of the SDGs. This study examines the factors that influence the level of willingness to contribute to society by comparing the results of the survey across faculties.

    DOI： 10.11497/jasmin.202311.0_273

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  • Science Undergraduates' Willingness to Contribute to Society Based on WTP of SDGs Reviewed

    7 ( 1 )   30 - 40   2023.3

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    Language：Japanese   Publishing type：Research paper (bulletin of university, research institution)  

    CiNii Books

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    Other Link： https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-19K12528/

  • A questionnaire survey on the impact of COVID-19 on university students: Can university students return to life before COVID-19? Reviewed

    崔, 英靖

    7 ( 1 )   11 - 29   2023.3

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    Language：Japanese   Publishing type：Research paper (bulletin of university, research institution)  

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    Other Link： https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-19K12528/

  • Study on Generation Z's willingness to contribute to society based on WTP of SDGs

    Sai Hidenobu, Orito Yohko, Okamoto Takashi, Okamoto Tadayuki, Soga Nobuyuki, Tachibana Yoshiaki

    Abstracts of Annual Conference of Japan Society for Management Information   202211   227 - 230   2023.1

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    Language：English   Publisher：THE JAPAN SOCIETY FOR MANAGEMENT INFORMATION (JASMIN)  

    Generation Z (born after the mid-1990s) is considered to be more motivated to contribute to society and more enthusiastic about solving social issues such as the SDGs (Sustainable Development Goals) than other generations before them. Many of these surveys are in the form of questions asking whether or not or which specific items are important. In this study, based on the results of a survey conducted on student at a regional university in the form of questions asking WTP (Willingness To Pay) of specific items of SDGs, we will examine Generation Z's willingness to contribute to society.

    DOI： 10.11497/jasmin.202211.0_227

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  • Influence of Jealous Feeling on Women's Career Development : Interview survey with working women in financial industry

    Journal of Ehime Management Society   3   19 - 26   2020.3

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    Language：Japanese   Publishing type：Research paper (bulletin of university, research institution)  

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  • Effects of working environment on women's willingness to promote

    Journal of Ehime Management Society   9 - 18   2020.3

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    Language：Japanese   Publishing type：Research paper (bulletin of university, research institution)  

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  • The effect of Internship on their self-evaluation of fundamental competencies for working persons

    Takashi Okamoto, Masae Sonoda, Nobuyuki Soga, Shuji Fukahori, Kousuke Tawa

    Journal of Ehime Management Society   3   1 - 8   2020.3

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    Language：Japanese   Publishing type：Research paper (bulletin of university, research institution)  

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  • The Perceptual Gaps Between Companies’ and University Students’ Views on Fundamental Competencies Reviewed

    Takashi Okamoto, Nobuyuki Soga, Taro Kumagai, Hideo Arai

    The Review of Socionetwork Strategies   11 ( 2 )   2017.12

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    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1007/s12626-017-0008-z

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  • Realities and Ideals of Competencies: The Perceptual Gaps between Companies and University Students Reviewed

    Takashi Okamoto, Nobuyuki Soga, Taro Kumagai, Hideo Arai

    Proceedings of the The 3rd Multidisciplinary International Social Networks Conference on Social Informatics   2016.8

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    Language：English   Publishing type：Research paper (international conference proceedings)  

    DOI： 10.1145/2955129.2955134

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  • University Students' Competency: Companies Evaluation and University Students Self-evaluations

    OKAMOTO Takashi, KUMAGAI Taro, SOGA Nobuyuki

    Ehime Economic Journal   34 ( 2 )   1 - 8   2014.12

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  • 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 ( 36 )   1 - 17   2014.2

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  • Japanese students' behavior toward E-commerce Reviewed

    Takashi Okamoto, Nobuyuki Soga

    IT Enabled Services   9783709114254   177 - 195   2013.7

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    Language：English   Publishing type：Part of collection (book)   Publisher：Springer-Verlag Wien  

    Business-to-consumer (B2C) e-commerce has become one of the most important models for stores and enterprises. Many of them, however, face a difficult business environment because they lack an adequate understanding of the market. To develop the B2C market, this study seeks to identify young people's behavior and perceptions regarding online shops. This study finds that most youth use online shops for purchasing books, CDs, and clothes. They think that online shops offer the advantage of the ready availability of goods, but most want to confirm the goods' quality, which is not possible in online shopping. Youth may regard online shops as a complementary channel to physical shops. Through conjoint analysis, differences in the value of product availability could be attributed to gender. We also demonstrate that consumer behavior changes with online shops' manner of pricing display. These contributions will suggest effective marketing strategies for online shops.

    DOI： 10.1007/978-3-7091-1425-4_11

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  • Working, Abilities, and Qualification : Research on Ehime and Matsuyama University Students

    Takashi Okamoto, Taro Kumagai, Nobuyuki Soga

    Ehime Economic Journal   32 ( 2 )   21 - 29   2013.3

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    Language：Japanese   Publisher：愛媛大学経済学会  

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  • 大学生の多くは『人柄や粘り強さはすでに備わっているが、語学力やコミュニケーションカが足りない』と認識! : 愛媛大学および松山大学における調査に基づいて

    岡本 隆, 熊谷 太郎, 曽我 亘由

    IRC調査月報   ( 286 )   30 - 35   2012.4

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    Language：Japanese   Publisher：いよぎん地域経済研究センター  

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  • Using choice experiments to value a person of talent by a company from the point of view of university student

    Takashi Okamoto, Taro Kumagai, Nobuyuki Soga

    Ehime Economic Journal   31 ( 2 )   1 - 9   2012.3

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    Language：Japanese   Publisher：愛媛大学経済学会  

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  • The Difference of the View of Profession between the Ehime University Student and the Matsuyama University Student (1)

    Takashi Okamoto, Taro Kumagai, Nobuyuki Soga, Keiichiro Nishio

    ANNALS of the Research Center for Regional Community Innovation Ehime University   ( 7 )   47 - 61   2012.3

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    Language：Japanese   Publisher：愛媛大学地域創成研究センター  

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  • The Difference of the View of Profession between the Ehime University Student and the Matsuyama University Student (2) the Feature of the Ehime Native

    Takashi Okamoto, Taro Kumagai, Nobuyuki Soga, Keiichiro Nishio

    ANNALS of the Research Center for Regional Community Innovation Ehime University   ( 7 )   63 - 68   2012.3

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    Language：Japanese   Publisher：愛媛大学地域創成研究センター  

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  • 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   2012.2

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  • Attitudes of university students for occupation : Focus on the research related to information

    Takashi Okamoto, Taro Kumagai, Nobuyuki Soga, Keiichiro Nishio

    Ehime Economic Journal   31 ( 1 )   1 - 10   2012.2

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    Language：Japanese   Publisher：愛媛大学経済学会  

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  • Using Choice Experiments to Value an Electronic Commerce. Reviewed

    Nobuyuki Soga, Takashi Okamoto

    11th Annual International Symposium on Applications and the Internet, SAINT 2011, Munich, Germany, 18-21 July, 2011, Proceedings   568 - 573   2011.7

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    Language：English   Publishing type：Research paper (international conference proceedings)   Publisher：IEEE Computer Society  

    DOI： 10.1109/SAINT.2011.105

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    Other Link： http://dblp.uni-trier.de/db/conf/saint/saint2011.html#conf/saint/SogaO11

  • Research on economic trends of SMEs

    Nobuyuki Soga

    3 - 27   2011.3

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    Authorship：Lead author   Language：Japanese  

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Books

  • ポストゲノム時代における保険市場の経済分析モデル

    東京経済情報出版  2006 

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MISC

Works

  • 県内中小企業の動向調査と中小企業評価、育成、支援の研究

    2006

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  • 県内中小企業の動向調査と中小企業評価、育成、支援策の研究

    2005

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  • 愛媛県内中小企業の動向調査と中小企業評価、育成、支援策の研究

    2005

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  • 中小企業経営活性化対策事業

    2005

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Research Projects

  • 地方在住女性のキャリア意識形成に関する国際比較研究

    2019.4 - 2023.3

    日本学術振興会  科学研究費助成事業 基盤研究(C)  基盤研究(C)

    曽我 亘由, 浅井 亮子, 園田 雅江, 折戸 洋子

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    Grant amount：\4420000 （ Direct Cost: \3400000 、 Indirect Cost：\1020000 ）

    本研究は、女性の就業感やキャリア意識について、日本国内の都市部と地方部の差異を調査し、それをふまえて、日本と海外の地域比較研究を行うことを目的としている。昨年度は、地方部における大学生キャリア意識、およびコロナ禍における職業選択について、性別による差異に注目して調査し、地方大学生の地元志向やオンライン選考に対する評価について明らかにした。
    本年度は、結婚出産に伴うキャリア意識について調査を行なった。具体的には、働く上での価値観、職場環境、出産後の就業継続、出産後の職場復帰を妨げる要因、自身が育児休業を取得する際の問題点、選択実験を用いた就業継続等において重視する点等について、大学生131名、社会人144名を対象に調査を実施した。
    その結果、働く上での価値観、職場環境、出産後の就業継続等について性別による意識の差がみられた。また、出産後の職場復帰を妨げる要因、自身が育児休業を取得する際の問題点といった質問について、学生と社会人間に顕著な差異はないことも明らかとなり、実際の就業経験が自身のキャリア意識にどのよな変化をもたらすかより詳細な研究を進めていく。また、選択実験においては性別、また大学生と社会人の間に顕著な差は見られず、既婚者と未婚者、また子供の有無によって残業時間、転勤、給与等に対する意識に差があり、性別を問わず、既婚者もしくは子供がいる回答者は転勤に対して否定的であり、残業時間については子供がいる回答者は残業があっても退社時間が決まっている状況を好むことが明らかとなった。給与については、既婚者もしくは子供がいる回答者はそれ以外の回答者よりも重視しておらず、給与面よりも残業や転勤といった環境の方を重視していることが明らかとなった。

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  • Realities and Ideals of Competencies; The Perceptual Gaps between Companies and University Students

    2013.4 - 2017.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)  Grant-in-Aid for Scientific Research (C)

    Nobuyuki Soga

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    Grant amount：\4290000 （ Direct Cost: \3300000 、 Indirect Cost：\990000 ）

    In this study, we analyze the gap between the competencies that companies seek in university students and the requested competencies from companies that university students expect, through the distribution of a questionnaire to Japanese companies and university students. We find that a gap exists between companies’ and students’ evaluations of students’ competencies. Surprisingly, the companies’ and students’ stated priorities for competencies are seriously different. Our results show that companies highly value versatile personal or interior competencies as being essential for employees. Conversely, students highly value skills and knowledge as essential competencies for work.

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  • Influence which the difference in the information structure in the post-genome age has on an insurance market

    1999 - 2007

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    Grant type：Competitive

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  • ポスト・ゲノム時代における情報構造の変化が保険市場に与える影響

    1999 - 2007

    日本学術振興会  科学研究費助成事業 若手研究(B)  若手研究(B)

    曽我 亘由

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    Grant type：Competitive

    情報構造の変化が市場に与える影響について、平成18年度は、情報の経済学の観点からモデル分析を行うとともに、これまでの研究を取りまとめる作業が中心となった。
    まず、昨年度の研究で課題となっていた、モデルの拡張を試みた。従来までの研究では、純粋戦略のナッシュ均衡に焦点を当てていた。遺伝子情報の利用が可能となったとき、従来のモデルでは、保険会社は契約者の遺伝子の検査は行わず、契約者からの「診断結果の報告」によって契約者のタイプを分けるとした。この場合、ある病気に対して、遺伝子に重大な疾患があるとわかった個人は、そのことを隠し、保険会社に「検査を行っていない」と虚偽の申告をするインセンティヴが働く。
    このような保険会社と契約者の間の情報の非対称性が存在する場合、純粋戦略の意味でナッシュ均衡は存在しないことがわかった。これを受けて、混合戦略まで含めたナッシュ均衡について分析を行った。すなわち、保険会社がある一定の確率で、契約者の遺伝子検査を行うと仮定し、遺伝子に疾患をもった個人の行動がどのように変化し、市場均衡にどのような影響を与えるかについて分析を行った。
    その結果、各主体が混合戦略を取るような状況では、分離契約が均衡となることが示された。これは、従来のモデルに比べて、より現実を反映したモデルといえるだろう。
    さらに、本年度はこれまでの研究成果を書籍としてとりまとめ、「ポスト・ゲノム時代における保険市場の経済分析モデル」として出版することができ、一定の成果をもって本研究を締めくくることができた。

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Teaching Experience (On-campus)

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