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Merger Strategy and Its Application to Competition Policy

Research Project

Project/Area Number 15K17047
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Economic policy
Research InstitutionMeiji University (2017)
Shinshu University (2015-2016)

Principal Investigator

Ebina Takeshi  明治大学, 商学部, 専任准教授 (00579766)

Project Period (FY) 2015-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2017: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2016: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2015: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywords合併 / 企業結合 / 競争政策 / 独占禁止法 / 動学モデル / 製品差別化 / 逐次合併
Outline of Final Research Achievements

I examine optimal merger strategies and merger policies with differentiated goods under a dynamic setting. First, after one merger, other firms are willing to follow with their own merger, resulting in sequential mergers. Our analysis can be applied to many industries, such as bank, steel, and pharmaceutical. Second, given some preexisting mergers, further mergers may actually improve welfare. However, these welfare improving mergers may not be privately profitable, implying that merger-friendly policies are appropriate. Thus, in contrast to results of related literature, it may be better for the policymaker to encourage these welfare-improving mergers to be completed.

Report

(4 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report
  • 2015 Research-status Report
  • Research Products

    (25 results)

All 2018 2017 2016 2015 Other

All Journal Article (9 results) (of which Peer Reviewed: 8 results,  Acknowledgement Compliant: 6 results,  Open Access: 2 results) Presentation (10 results) (of which Int'l Joint Research: 4 results) Remarks (6 results)

  • [Journal Article] Consumer confusion from price competition and excessive product attributes under the curse of dimensionality2018

    • Author(s)
      Ebina Takeshi、Kinjo Keita
    • Journal Title

      AI & SOCIETY

      Volume: 印刷中 Issue: 3 Pages: 615-624

    • DOI

      10.1007/s00146-017-0771-y

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Optimal Program for Autonomous Driving under Bentham- and Nash-type Social Welfare Functions2018

    • Author(s)
      Keita Kinjo, Takeshi Ebina
    • Journal Title

      Procedia Compueter Science

      Volume: 112 Pages: 61-70

    • DOI

      10.1016/j.procs.2017.08.024

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] The Welfare Effects of Oligopolistic Third-Degree Price Discrimination when Own and Cross Price Elasticities Are Constants2017

    • Author(s)
      Takanori Adachi, Takeshi Ebina
    • Journal Title

      経済科学

      Volume: 64 Issue: 4 Pages: 23-39

    • DOI

      10.18999/ecos.64.4.23

    • NAID

      120005981296

    • ISSN
      0022-9725
    • URL

      https://nagoya.repo.nii.ac.jp/records/23651

    • Year and Date
      2017-03-25
    • Related Report
      2016 Research-status Report
    • Open Access / Acknowledgement Compliant
  • [Journal Article] Case-based Decision Model Matches Ideal Point Model: Application to Marketing Decision Support System2017

    • Author(s)
      Keita Kinjo, Takeshi Ebina
    • Journal Title

      Journal of Intelligent Information Systems

      Volume: 印刷中 Issue: 2 Pages: 341-362

    • DOI

      10.1007/s10844-017-0463-6

    • Related Report
      2017 Annual Research Report 2016 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Sequential mergers under general symmetric product differentiation with four firms (Previous version: "Endogenous market structures with sequential mergers and product differentiation")2016

    • Author(s)
      Takeshi Ebina and Daisuke Shimizu
    • Journal Title

      Asia-Pacific Journal of Accounting & Economics

      Volume: 印刷中 Issue: 3 Pages: 306-326

    • DOI

      10.1080/16081625.2016.1188754

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] An Advertising Strategy Using Consumption Externality and Forgetting in the Case of Japanese Electronic Books2016

    • Author(s)
      Keita Kinjo and Takeshi Ebina
    • Journal Title

      The Review of Socionetwork Strategies

      Volume: Vol. 10, Iss. 2 Issue: 2 Pages: 55-71

    • DOI

      10.1007/s12626-016-0064-9

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Sequential Mergers under General Symmetric Product Differentiation2016

    • Author(s)
      Takeshi Ebina, Daisuke Shimizu
    • Journal Title

      Asia-Pacific Journal of Accounting and Economics

      Volume: -

    • Related Report
      2015 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Endogenous Product Boundary2015

    • Author(s)
      Takanori Adachi, Takeshi Ebina, Makoto Hanazono
    • Journal Title

      Manchester School

      Volume: 印刷中 Issue: 1 Pages: 13-40

    • DOI

      10.1111/manc.12134

    • Related Report
      2016 Research-status Report 2015 Research-status Report
    • Peer Reviewed
  • [Journal Article] Product Differentiation and Entry Timing in a Continuous Time Spatial Competition Model2015

    • Author(s)
      Takeshi Ebina, Noriaki Matsushima, Daisuke Shimizu
    • Journal Title

      European Journal of Operational Research

      Volume: 247(3) Issue: 3 Pages: 904-913

    • DOI

      10.1016/j.ejor.2015.06.049

    • NAID

      40022346343

    • Related Report
      2015 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Presentation] Sequential Mergers and Competition Policy under Partial Privatization2017

    • Author(s)
      Takeshi Ebina, Daisuke Shimizu
    • Organizer
      2017年日本応用経済学会春季大会
    • Place of Presentation
      久留米大学
    • Year and Date
      2017-06-17
    • Related Report
      2016 Research-status Report
  • [Presentation] Optimal Program for Autonomous Driving under Bentham- and Nash-type Social Welfare Functions2017

    • Author(s)
      Keita Kinjo, Takeshi Ebina
    • Organizer
      21st International Conference on Knowledge Based and Intelligent information and Engineering Systems
    • Related Report
      2017 Annual Research Report 2016 Research-status Report
    • Int'l Joint Research
  • [Presentation] Sequential Mergers and Competition Policy under Partial Privatization2017

    • Author(s)
      Takeshi Ebina, Daisuke Shimizu
    • Organizer
      2017年日本応用経済学会度春季大会
    • Related Report
      2017 Annual Research Report
  • [Presentation] Demand Uncertainty, Product Differentiation, and Entry Timing under Spatial Competition2017

    • Author(s)
      Takeshi Ebina, Noriaki Matsushima
    • Organizer
      応用地域学会2017
    • Related Report
      2017 Annual Research Report
  • [Presentation] Optimal Social Marketing under Various Social Welfare Functions2016

    • Author(s)
      Keita Kinjo, Takeshi Ebina
    • Organizer
      日本マーケティング学会カンファレンス2016
    • Place of Presentation
      早稲田大学
    • Year and Date
      2016-10-12
    • Related Report
      2016 Research-status Report
  • [Presentation] Sequential Mergers under Product Differentiation in a Partially Privatized Market2016

    • Author(s)
      Takeshi Ebina, Daisuke Shimizu
    • Organizer
      43rd Annual Conference of the European Association for Research in Industrial Economics
    • Place of Presentation
      Nova School of Business and Economics (Lisbon, Portugal)
    • Year and Date
      2016-08-27
    • Related Report
      2016 Research-status Report 2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] Peak-end Rule and Case-based Decision Theory for Predicting Consumer Choice2015

    • Author(s)
      Keita Kinjo, Takeshi Ebina
    • Organizer
      日本マーケティング学会2015
    • Place of Presentation
      早稲田大学
    • Year and Date
      2015-11-29
    • Related Report
      2015 Research-status Report
  • [Presentation] Oligopolistic Third-Degree Price Discrimination with Constant Own and Cross Price Elasticities of Demand2015

    • Author(s)
      Takanori Adachi, Takeshi Ebina
    • Organizer
      日本経済学会2015年度秋季大会
    • Place of Presentation
      上智大学
    • Year and Date
      2015-10-10
    • Related Report
      2015 Research-status Report
  • [Presentation] Sequential Mergers under Product Differentiation in Pure and Mixed Oligopolies2015

    • Author(s)
      Takeshi Ebina, Daisuke Shimizu
    • Organizer
      International Economics and Finance Society 2015
    • Place of Presentation
      National Dong Hwa University (Hualien, China)
    • Year and Date
      2015-09-04
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] Endogenous Market Structures with Sequential Mergers and Product Differentiation2015

    • Author(s)
      Takeshi Ebina, Daisuke Shimizu
    • Organizer
      University of Tokyo and National Taiwan University Joint Conference on Industrial Organization
    • Place of Presentation
      National Taiwan University (Taipei, China)
    • Year and Date
      2015-07-18
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Remarks] 研究代表者の所属機関によるホームページおよび業績一覧

    • URL

      http://gyoseki1.mind.meiji.ac.jp/mjuhp/KgApp?kyoinId=ymdbyogiggy

    • Related Report
      2017 Annual Research Report
  • [Remarks] 研究代表者本人のホームページおよび業績一覧

    • URL

      https://sites.google.com/site/ebinatakeshi2010/research

    • Related Report
      2017 Annual Research Report 2016 Research-status Report
  • [Remarks] 研究者の所属機関によるホームページおよび業績一覧

    • URL

      http://soar-rd.shinshu-u.ac.jp/profile/ja.gNAFjNyC.html

    • Related Report
      2016 Research-status Report 2015 Research-status Report
  • [Remarks] 研究者本人のホームページおよび業績一覧

    • URL

      https://sites.google.com/site/ebinatakeshi2010/research

    • Related Report
      2015 Research-status Report
  • [Remarks] 清水大昌氏,松島法明氏との共同論文掲載ホームページ

    • URL

      http://www.sciencedirect.com/science/article/pii/S0377221715005822

    • Related Report
      2015 Research-status Report
  • [Remarks] 安達貴教氏,花薗誠氏との共同論文掲載ホームページ

    • URL

      http://onlinelibrary.wiley.com/doi/10.1111/manc.12134/full

    • Related Report
      2015 Research-status Report

URL: 

Published: 2015-04-16   Modified: 2019-03-29  

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