IDA Tomoya

    Department of International Economics Professor
Last Updated :2024/05/29

Researcher Information

Degree

  • Ph. D(Osaka Prefecture University)

Research funding number

  • 50315313

J-Global ID

Research Interests

  • Public Economics   Public Finance   Local Public Economics   Regional Science   

Research Areas

  • Humanities & social sciences / Public economics, labor economics / Local Public Finance/ Public Finance/ Public Economics

Academic & Professional Experience

  • 2012/04 - 2016/03  Oita UniversityFaculty of EconomicsProfessor
  • 2007/04 - 2012/03  Oita UniversityFaculty of EconomicsAssociate Professor
  • 2001/04 - 2007/03  Oita UniversityFaculty of EconomicsAssociate Professor

Education

  • 1994/04 - 1999/03  Osaka Prefecture University  Graduate School of Economics
  • 1990/04 - 1994/03  Kyoto Sangyo University  Faculty of Economics  Department of Economics

Association Memberships

  • Japan Association of Local Public Finance   International Institute of Public Finance   Applied Regional Science Conference   Japanese Institute of Public Finance   Japanese Economic Association   

Published Papers

Books etc

  • Advances in Local Public Economics-Theoretical and Empirical Studies-
    IDA Tomoya (ContributorChapter 11)Springer 2019/03
  • Glocalization of Economy and Society
    IDA Tomoya (ContributorChapter 2)Minervashobo 2008/04
  • Globalization and Economic Society in Japan
    IDA Tomoya (ContributorChapter 9)Minervashobo 2003/07
  • Public Finance
    IDA Tomoya (ContributorChapter 10)Keisoshobo 2002/09
  • Local Public Finance Reform
    IDA Tomoya (ContributorChapter 3)Yuhikaku 2001/09

Conference Activities & Talks

  • The Effects of Urban Structure on Supply Costs of Water Service in Japan  [Not invited]
    Tomoya Ida
    The 30th Annual Meeting of Japan Association of Local Public Finance  2022/06
  • The Effect of Urban Structure on Local Public Costs in Japan  [Not invited]
    IDA Tomoya
    16th Pacific Regional Science Conference Organization Summer Institute  2019/07
  • The effect of urban sprawl on local public costs in Japan: A threshold regression approach  [Not invited]
    IDA Tomoya
    63rd Annual North American Meetings of the Regional Science Association International  2016
  • Urban sprawl and local public service costs in Japan  [Not invited]
    IDA Tomoya
    71st Annual Congress of International Institute of Public Finance  2015
  • An empirical test of dominant tax externality: the Swedish case  [Not invited]
    Tomoya Ida
    th JEPA International Conference  2010
  • International tax competition with endogenous sequencing  [Not invited]
    Tomoya Ida
    2008 Far Eastern and South Asian Meeting of Econometric Society他  2008
  • An empirical test of migration and fiscal externality: the Swedish case  [Not invited]
    Tomoya Ida
    47th Annual Meeting of Western Regional Science Association他  2008
  • Transfer pricing and reinforcement of tax executive system  [Not invited]
    Tomoya Ida
    2005 Annual Meeting of European Public Choice Society他  2005
  • Optimal tax policy on foreign source income :there is no need for tax allowance of international double taxation  [Not invited]
    Tomoya Ida
    60th International Atlantic Economic Conference他  2005
  • Optimal Tax Policy on Foreign Direct Investment: The Allowance of International Double Taxation  [Not invited]
    60th International Atlantic Economic Conference and so on  2005
  • International tax competition and double taxation  [Not invited]
    Tomoya Ida
    2004 Annual Meeting of the Public Choice Society  2004
  • Strategic behaviors and tax systems for foreign direct investment  [Not invited]
    Tomoya Ida
    第57回日本財政学会  2000
  • 移転価格税制の下での多国籍企業と税務当局の戦略的行動  [Not invited]
    井田知也
    第56回日本財政学会  1999
  • 社会資本の部門別生産力効果  [Not invited]
    井田知也
    第55回日本財政学会  1998
  • 国外資本所得への最適課税  [Not invited]
    井田知也
    1997年度理論・計量経済学会西部部会  1997

Research Grants & Projects

  • Japan Society for the Promotion of Science:Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)
    Date (from‐to) : 2021/04 -2025/03 
    Author : Tomoya Ida; Hiroshi Ono; Junichi Igawa
     
    今後、我が国では人口減少に伴い税収が低下する一方、高度経済成長期に集中的に整備されたインフラの維持管理費などを中心に歳出増加も見込まれる。その結果、財政難に直面する多くの地方公共団体は、現在の公共サービスの水準を維持できず、市民生活にも大きな支障が生じる。この課題に対して、我が国では「地方自治体の連携と集約」が有効な対策とされ、定住自立圏構想などの地域政策がとられている。ところが、国内外の分析結果を見ると、両者の効果に必ずしも肯定的でない。つまり、持続可能性や住民満足を高める公共サービスの供給費用の低下やその品質の向上を導くとは限らないとされる。そこで、本研究では地方自治体の連携と集約が公共サービスの供給費用と品質に及ぼす効果を分析して、持続可能で住民も満足できるそのあり方を明らかにする。具体的には、(1)基礎分析「集約と連携の指標構築と定住自立圏のヒアリング調査(2021-23年度)」、(2)理論分析「地方歳出関数の導出と公共サービスの集約と連携の弾力性の定式化(2021-23年度)」、(3)実証分析「地方歳出関数の推計と公共サービスの集約と連携の弾力性の計測(2022-24年度)」、(4)政策提言「持続可能性と住民の満足を両立する地方自治体の集約と連携に係る提言(2022-24年度)」からその目的を達成する。この中で2021年度は次の様な分析を実施した。(1)基礎分析では、地方自治体の集約に係る指標に関しては、基盤となる都市構造変数をデータの単位や数値範囲などから受ける影響を調整した上で再構築した。他方、地方自治体の連携に係る指標作成に必要な基礎調査を、総務省が作成した『定住自立圏取組事例集』などを活用しながら実施した。(2)理論分析では、説明変数に地方自治体の集約に係る指標も含めた地方歳出関数を、既存研究の分析枠組みを踏襲しながら、公共サービスの需要関数と費用関数の結合から理論的に導出した。
  • Japan Society for the Promotion of Science:Grants‐in‐aid for Scientific Research
    Date (from‐to) : 2017/04 -2020/03 
    Author : IDA Tomoya
  • 人口減少社会の中で健全な自治体運営が持続可能な都市形成を導く経済政策に関する研究
    Japan Society for the Promotion of Science:Grants‐in‐aid for Scientific Research
    Date (from‐to) : 2014/04 -2017/03 
    Author : IDA Tomoya
  • Transfer Pricing and Reinforcement of Tax Executive System
    Japan Society for the Promotion of Science:Grants‐in‐aid for International Conference
    Date (from‐to) : 2015/04 -2015/04 
    Author : IDA Tomoya
  • 自治体間競争を通じて深化する地方分権社会の効率性と非効率性に関する理論・実証分析
    Japan Society for the Promotion of Science:Grants‐in‐aid for Scientific Research
    Date (from‐to) : 2011/04 -2014/03 
    Author : IDA Tomoya
  • 都市空間の自発的な集約を誘発する郊外開発税に関する研究
    Obayashi Foundation:International Exchange Grant
    Date (from‐to) : 2013/11 -2013/11 
    Author : IDA Tomoya
  • 地方分権の進展に伴い支配的となる租税外部性に関するスウェーデン王立工科大学との共同研究
    Scandinavia-Japan Sasakawa Foundation:Reserch Grant
    Date (from‐to) : 2010/04 -2011/03 
    Author : IDA Tomoya
  • 国際租税政策の内生的手番決定モデルに基づく分析
    Japan Society for the Promotion of Science:Grants‐in‐aid for Scientific Research
    Date (from‐to) : 2008/04 -2011/03 
    Author : IDA Tomoya
  • An Empirical Test of Migration and Fiscal Externality : The Swedish Case
    Japan Society for the Promotion of Science:Grants‐in‐aid for International Conference
    Date (from‐to) : 2009/10 -2009/10 
    Author : IDA Tomoya
  • 移転価格税制の経済分析 - 移転価格の算定方法を中心に -
    Japan Society for the Promotion of Science:Grants‐in‐aid for Scientific Research
    Date (from‐to) : 2004/04 -2007/03 
    Author : IDA Tomoya

Teaching Experience

  • Public EconomicsPublic Economics Tezukayama University
  • Macro Economics②Macro Economics② Kindai University
  • Public FinanceⅠ・ⅡPublic FinanceⅠ・Ⅱ Kindai University
  • Local Public EconomicsLocal Public Economics Kindai University
  • Tax TheoryTax Theory Oita University
  • Local Public FinanceLocal Public Finance Oita University
  • Introduction to Economics II / EconomicsIIIntroduction to Economics II / EconomicsII Oita University
  • Introduction to Economics I / Economics IIntroduction to Economics I / Economics I Oita University
  • Micro EconomicsMicro Economics Kindai University
  • Local Public FinanceⅠ・ⅡLocal Public FinanceⅠ・Ⅱ Kyushu Sangyo University

Committee Membership

  • 2008/07 - Today   Ministry of Internal Affairs and Communications   Committee Member of Study Group on Basic Decentralization Problem
  • 2015/07 -2017/01   Oita Prefecture   Evaluation Committee Member of Designated Manager
  • 2015/01 -2017/01   Oita Prefecture   Committee Member of Administrative and Financial Reform Promotion
  • 2008/10 -2014/09   Ministry of Finance   Committee Member of Financial Monitor
  • 2012/12 -2013/03   Hita City   Committee Member of Administrative Reform Promotion
  • 2006/02 -2006/06   Hiji Town   Council Member of Comprehensive Development Plan

Social Contribution

  • Lectures for Staff Promotion Examination
    Date (from-to) : 2019/06/01-Today
    Role : Lecturer
    Category : Lecture
    Sponser, Organizer, Publisher  : Yao City
  • Lectures for Financial Staff
    Date (from-to) : 2014/08/25-2015/09/01
    Role : Lecturer
    Category : Lecture
    Sponser, Organizer, Publisher  : Oita Prefecture


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