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Song Yeonjung  宋 娟貞

ORCIDConnect your ORCID iD *help
Researcher Number 70803203
Other IDs
Affiliation (based on the past Project Information) *help 2020 – 2021: 神戸大学, 経営学研究科, 経営学研究科研究員
2018 – 2021: 大阪大学, 経済学研究科, 助教
Review Section/Research Field
Principal Investigator
Basic Section 07040:Economic policy-related
Except Principal Investigator
Basic Section 07090:Commerce-related / Basic Section 22050:Civil engineering plan and transportation engineering-related
Keywords
Principal Investigator
railway policy / efficiency / urban rail system / Firm heterogeneity / system type / railway ownership / technical efficiency / Transient efficiency / Persistent efficiency / SFA / Urban railway … More
Except Principal Investigator
… More 高速鉄道 / 公的規制 / 公共交通 / 交通論 / フェリー / 選択行動 / 公的ネットワーク産業 / LCC / 私鉄 / 交通行動 / 上下分離 / 鉄道事業 / 交通政策 / Sustainable Transport / 複合輸送 / 航空政策 / 政策分析 / 需要予測 / ゲートウェイ / 拠点空港 / 空港計画 / 国土計画 / 空港運営 / 航空輸送 / 国際輸送 Less
  • Research Projects

    (3 results)
  • Research Products

    (5 results)
  • Co-Researchers

    (11 People)
  •  Studies on Sustainable Transport: Focusing on the Regulatory Framework and the Role of Private Sector

    • Principal Investigator
      SHOJI Kenichi
    • Project Period (FY)
      2019 – 2021
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 07090:Commerce-related
    • Research Institution
      Kobe University
  •  Empirical studies on efficiency in urban railways in Japan: Evaluation of relative performance and the determinants of persistent and transient efficiencyPrincipal Investigator

    • Principal Investigator
      Song Yeonjung
    • Project Period (FY)
      2018 – 2019
    • Research Category
      Grant-in-Aid for Early-Career Scientists
    • Review Section
      Basic Section 07040:Economic policy-related
    • Research Institution
      Osaka University
  •  Evaluation of function of gateway airports: network analysis for international multi modal transport

    • Principal Investigator
      Takebayashi Mikio
    • Project Period (FY)
      2018 – 2020
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 22050:Civil engineering plan and transportation engineering-related
    • Research Institution
      Kobe University

All 2021 2020 2019

All Journal Article Presentation

  • [Journal Article] 規制改革と大手私鉄経営2021

    • Author(s)
      正司健一,Yeon-Jung Song
    • Journal Title

      同志社商学

      Volume: 73 (2) Pages: 63-76

    • Open Access
    • Data Source
      KAKENHI-PROJECT-19H01538
  • [Journal Article] 規制改革がわが国大手私鉄の経営戦略に与えた影響についての一考察2020

    • Author(s)
      正司健一・Song Yeon-Jung
    • Journal Title

      国民経済雑誌

      Volume: 221 (3) Pages: 1-15

    • NAID

      120007002569

    • Data Source
      KAKENHI-PROJECT-19H01538
  • [Presentation] Does airline competition really influence airport efficiency? The case of Japanese airports2021

    • Author(s)
      安達晃史,宋 娟貞
    • Organizer
      日本交通学会関西部会
    • Data Source
      KAKENHI-PROJECT-19H01538
  • [Presentation] How Can We Sustain Urban Railways?: From the Perspective of Relationship between Operator and Local Government and Creating Shared Value2019

    • Author(s)
      Y. Song, K. Shoji and T. Enomoto
    • Organizer
      16th International Conference on Competition and Ownership in Land Passenger Transport (Thredbo 16)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19H01538
  • [Presentation] What does drive efficiency of urban railway operators in Japan? Focusing on time-invariant and time-varying effect2019

    • Author(s)
      Yeonjung Song
    • Organizer
      the 16th European Workshop on Efficiency and Productivity Analysis
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18K12770
  • 1.  Takebayashi Mikio (80236497)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 2.  SHOJI Kenichi (70127372)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 3 results
  • 3.  大西 正光 (10402968)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 4.  石倉 智樹 (30356050)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 5.  石黒 一彦 (60282034)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 6.  花岡 伸也 (90467027)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 7.  水谷 文俊 (60263365)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 8.  三古 展弘 (00403220)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 9.  水谷 淳 (60388387)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 10.  酒井 裕規 (20612336)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 11.  中村 絵理 (00611071)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results

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