Sato Susumu 佐藤進

… Alternative Names

SATO Susumu 佐藤進

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Researcher Number	40876710
Other IDs
Affiliation (Current)	2025: 一橋大学, 経済研究所, 講師
Affiliation (based on the past Project Information) *help	2020 – 2024: 一橋大学, 経済研究所, 講師
Review Section/Research Field	Principal Investigator Basic Section 07040:Economic policy-related / 0107:Economics, business administration, and related fields Except Principal Investigator Basic Section 07040:Economic policy-related / Medium-sized Section 7:Economics, business administration, and related fields / Medium-sized Section 5:Law and related fields / Economic policy
Keywords	Principal Investigator Platforms / Self-preferencing / Competition Policy / News Aggregator / Oligopoly Theory / Media Competition / Regulation / Competition-in-utility / Non-price Designs / Vertical Integration … More / ロックイン / マルチホーミング / 自己優遇 / 非価格競争 / プラットフォーム / Lock-in / Mobile apps / Competition policy / Platform … More Except Principal Investigator 市場支配力 / 労働市場 / 市場間相互依存関係 / 寡占市場 / 寡占企業 / 組織内権限移譲 / 垂直的品質差別化 / 人的資本投資 / 資本提携 / 部分的結合 / 企業間提携 / 権限移譲 / 競争政策 / 社会厚生 / 垂直的資本提携 / 水平的資本提携 / 品質維持 / 持続可能性 / 競争適正化 / 公共調達 / 商法 / 消費者行政法 / デジタル・プラットフォーム / 経済学 / 情報法 / 憲法 / 競争法 / デジタルプラットフォーム / 実験分析 / 人的資本 / 企業の理論 / 公平感 / アイデンティティー / 内部労働市場 / 企業特殊性 / 製品市場 / 企業間競争 Less

持続可能性、品質維持、競争適正化のための公共調達制度設計
- Principal Investigator
  
  花薗誠
- Project Period (FY)
  2023 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 7:Economics, business administration, and related fields
- Research Institution
  Nagoya University
Oligopolists' market power in labor and product markets and the interactions among the markets
- Principal Investigator
  
  松島法明
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 07040:Economic policy-related
- Research Institution
  Osaka University
Designing next generation regulations to address multidimensional risks caused by the expansion of digital platforms
- Principal Investigator
  
  池田千鶴
- Project Period (FY)
  2022 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 5:Law and related fields
- Research Institution
  Kobe University
Theoretical Study on the Interaction between Platform Design and Platform CompetitionPrincipal Investigator
- Principal Investigator
  
  佐藤進
- Project Period (FY)
  2022 – 2026
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 07040:Economic policy-related
- Research Institution
  Hitotsubashi University
Firm-Specificity of Human Capital: Process of its Endogenous Determination
- Principal Investigator
  
  森田穂高
- Project Period (FY)
  2022 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 07040:Economic policy-related
- Research Institution
  Hitotsubashi University
Non-price Policy Designs by Vertically Integrated PlatformsPrincipal Investigator
- Principal Investigator
  
  SATO Susumu
- Project Period (FY)
  2020 – 2022
- Research Category
  
  Grant-in-Aid for Research Activity Start-up
- Review Section
  
  0107:Economics, business administration, and related fields
- Research Institution
  Hitotsubashi University
Industrial Organization Analysis from a New Perspective: Focusing on "People"
- Principal Investigator
  
  MORITA Hodaka
- Project Period (FY)
  2018 – 2023
- Research Category
  
  Fund for the Promotion of Joint International Research (Home-Returning Researcher Development Research)
- Research Field
  
  Economic policy
- Research Institution
  Hitotsubashi University

All 2024 2023 2022 2021 2020

All Journal Article Presentation

[Journal Article] Conflict between consumer and worker surpluses under monopoly power2024
- Author(s)
  Susumu Sato
- Journal Title
  
  Economics Letters
  
  Volume: 234 Pages: 111512-111512
- DOI
  10.1016/j.econlet.2023.111512
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K25515
[Journal Article] Conflict between Consumer and Worker Surpluses under Monopoly Power2024
- Author(s)
  Susumu Sato
- Journal Title
  
  Economics Letters
  
  Volume: 234 Pages: 111512-111512
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K22109
[Journal Article] Platform Oligopoly with Endogenous Homing: Implications for Mergers and Free Entry2023
- Author(s)
  Takanori Adachi;Susumu Sato;Mark J. Tremblay
- Journal Title
  
  Journal of Industrial Economics
  
  Volume: 71 Issue: 4 Pages: 1203-1232
- DOI
  10.1111/joie.12345
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K13381, KAKENHI-PROJECT-21K01440, KAKENHI-PROJECT-16K21741
[Journal Article] Self-preferencing by platforms: A literature review2023
- Author(s)
  Kittaka Yuta、Sato Susumu、Zennyo Yusuke
- Journal Title
  
  Japan and the World Economy
  
  Volume: 66 Pages: 101191-101191
- DOI
  10.1016/j.japwor.2023.101191
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21J00008, KAKENHI-PROJECT-20K22117, KAKENHI-PROJECT-22K13381, KAKENHI-PROJECT-23K12464, KAKENHI-PROJECT-22KK0219, KAKENHI-PROJECT-16K21741, KAKENHI-PROJECT-23K20165
[Journal Article] Relevant Markets and Market Power of Mobile Apps2023
- Author(s)
  Kohei Kawaguchi;Toshifumi Kuroda;Susumu Sato
- Journal Title
  
  Japan and the World Economy
  
  Volume: 67 Pages: 101209-101209
- DOI
  10.1016/j.japwor.2023.101209
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K13381, KAKENHI-PROJECT-16K21741
[Journal Article] Cournot Platform Competition with Mixed-Homing2023
- Author(s)
  Mark Tremblay;Takanori Adachi;Susumu Sato
- Journal Title
  
  International Journal of Industrial Organization
  
  Volume: 91 Pages: 103002-103002
- DOI
  10.1016/j.ijindorg.2023.103002
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K13381, KAKENHI-PROJECT-21K01440, KAKENHI-PROJECT-23K22109
[Journal Article] Joint purchase benefits as an anti-steering device of platforms2022
- Author(s)
  Susumu Sato
- Journal Title
  
  Economic Letters
  
  Volume: 215
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K21741
[Journal Article] Joint-purchase benefits as an anti-steering device of platforms2022
- Author(s)
  Susumu Sato
- Journal Title
  
  Economics Letters
  
  Volume: 215 Pages: 110504-110504
- DOI
  10.1016/j.econlet.2022.110504
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K22117, KAKENHI-PROJECT-22H00043
[Journal Article] Market shares and profits in two-sided markets2021
- Author(s)
  Susumu Sato
- Journal Title
  
  Economics Letters
  
  Volume: 207 Pages: 110042-110042
- DOI
  10.1016/j.econlet.2021.110042
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K22117, KAKENHI-PROJECT-16K21741
[Journal Article] Optimal risk regulation of monopolists with subjective risk assessment2021
- Author(s)
  Daiki Kishishita and Susumu Sato
- Journal Title
  
  Journal of Regulatory Economics
  
  Volume: 59 Issue: 3 Pages: 251-279
- DOI
  10.1007/s11149-021-09429-0
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K22117, KAKENHI-PROJECT-20K22131
[Presentation] Asymmetric platform oligopoly2023
- Author(s)
  Susumu Sato
- Organizer
  Digital Platforms and Competition Workshop
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22109
[Presentation] Asymmetric Platform Oligopoly2023
- Author(s)
  Susumu Sato
- Organizer
  Workshop "Digital Platform and Competition
- Data Source
  KAKENHI-PROJECT-22K13381
[Presentation] Asymmetric Platform Oligopoly2023
- Author(s)
  Susumu Sato
- Organizer
  Asia-Pacific Industrial Organization Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K13381
[Presentation] Asymmetric Platform Oligopoly2023
- Author(s)
  Susumu Sato
- Organizer
  Asia-Pacific Industrial Organization Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22109
[Presentation] Self-Preferencing under Platform Competition: Role of Focality Advantage2022
- Author(s)
  Susumu Sato
- Organizer
  プラットフォームと流通の研究会
- Data Source
  KAKENHI-PROJECT-22K13381
[Presentation] Competition in Two-Sided Markets: An Aggregative-Games Approach2022
- Author(s)
  Susumu Sato
- Organizer
  NUS Economics of Platform Workshop
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22H00043
[Presentation] Competition in Two-Sided Markets: An Aggregative-Games Approach2022
- Author(s)
  Susumu Sato
- Organizer
  NUS Economics of Platforms Workshop
- Data Source
  KAKENHI-PROJECT-22K13381
[Presentation] Rising Wage Inequality between Firms--A Consequence of SME Protection?2022
- Author(s)
  Satoshi Tanaka, Ryo Kambayashi, and Shintaro Yamaguchi
- Organizer
  関西労働研究会
- Invited
- Data Source
  KAKENHI-PROJECT-16K21741
[Presentation] Competition in two-sided markets: an aggregative-games approach2022
- Author(s)
  Susumu Sato
- Organizer
  NUS Economics of Platforms Workshop
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22109
[Presentation] Rising Wage Inequality between Firms--A Consequence of SME Protection?2021
- Author(s)
  Satoshi Tanaka, Ryo Kambayashi, and Shintaro Yamaguchi
- Organizer
  東京労働経済学研究会
- Invited
- Data Source
  KAKENHI-PROJECT-16K21741
[Presentation] Usage lock-in and platform competition2021
- Author(s)
  Susumu Sato
- Organizer
  48 EARIE Annual Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K22117
[Presentation] Usage Lock-In and Platform Competition under Multihoming2021
- Author(s)
  Susumu Sato
- Organizer
  International Workshop on Oligopoly Theory
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K22117
[Presentation] Merger analysis in the app economy: an empirical model of ad-sponsored media2021
- Author(s)
  Susumu Sato
- Organizer
  Asia-Pacific Industrial Organization Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K22117
[Presentation] Merger analysis in the app economy: an empirical model of ad-sponsored media2021
- Author(s)
  Susumu Sato
- Organizer
  19th Annual International Industrial Organization Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K22117
[Presentation] Usage lock-in and platform competition2021
- Author(s)
  Susumu Sato
- Organizer
  2021年日本経済学会春季大会
- Data Source
  KAKENHI-PROJECT-20K22117
[Presentation] Platform Competition for Usage under Multihoming2021
- Author(s)
  佐藤進
- Organizer
  日本経済学会2021年春季大会
- Data Source
  KAKENHI-PROJECT-20K22117
[Presentation] Merger Analysis in the App Economy: An Empirical Model of Ad-Sponsored Media2021
- Author(s)
  Kohei Kawaguchi, Toshifumi Kuroda, Susumu Sato
- Organizer
  2021 Virtual Meeting of the International Industrial Organization Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K22117
[Presentation] Horizontal Mergers in the Presence of Network Externalities2020
- Author(s)
  佐藤進
- Organizer
  競争政策研究センター研究成果発表会
- Invited
- Data Source
  KAKENHI-PROJECT-16K21741

1. MORITA Hodaka (00791956)

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2. 神林龍 (40326004)

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3. 都留康 (00155441)

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4. 石川城太 (80240761)

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5. 伊藤秀史 (80203165)

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6. Tang Cheng・Tao (00799330)

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7. 小谷浩示 (80422583)

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8. 池田千鶴 (40346276)

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9. 武田邦宣 (00305674)

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36. 荒知宏 (80648345)

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Sato Susumu 佐藤 進

SATO Susumu 佐藤 進

Research Projects

Research Products

Co-Researchers

持続可能性、品質維持、競争適正化のための公共調達制度設計

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Oligopolists' market power in labor and product markets and the interactions among the markets

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Designing next generation regulations to address multidimensional risks caused by the expansion of digital platforms

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Theoretical Study on the Interaction between Platform Design and Platform CompetitionPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Firm-Specificity of Human Capital: Process of its Endogenous Determination

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Non-price Policy Designs by Vertically Integrated PlatformsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Industrial Organization Analysis from a New Perspective: Focusing on "People"

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Conflict between consumer and worker surpluses under monopoly power2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Conflict between Consumer and Worker Surpluses under Monopoly Power2024

Author(s)

Journal Title

Data Source

[Journal Article] Platform Oligopoly with Endogenous Homing: Implications for Mergers and Free Entry2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Self-preferencing by platforms: A literature review2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Relevant Markets and Market Power of Mobile Apps2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Cournot Platform Competition with Mixed-Homing2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Joint purchase benefits as an anti-steering device of platforms2022

Author(s)

Journal Title

Data Source

Sato Susumu 佐藤進

SATO Susumu 佐藤進