Updated on 2026/04/01
Graduate School of Economics Department of Economics
Professor 2026.04 - Now
Graduate School of Economics Department of Economics
Associate Professor 2022.04 - 2026.03
School of Economics Department of Economics
Professor 2026.04 - Now
School of Economics Department of Economics
Associate Professor 2022.04 - 2026.03
Ph.D. in Economics （ The University of Tokyo ）
M.A. in Economics （ The University of Tokyo ）
Humanities & Social Sciences / Economic policy / Industrial Organization
Humanities & Social Sciences / Economic policy / Energy Economics
Humanities & Social Sciences / Economic policy / Health Economics
Humanities & Social Sciences / Economic statistics / Applied Microeconometrics
Industrial Organization
Energy Policy
Health Policy
Science, Technology and Innovation Policy
My research fields are industrial organization, energy economics and applied microeconometrics.
医療産業の経済分析
Joint Research in Japan
2016 - Now
電力産業の経済分析
Joint Research in Japan
2012 - Now
イノベーションの経済分析
Joint Research in Japan
2009 - Now
JAPANESE ECONOMIC ASSOCIATION
Domestic
経済産業省電力・ガス取引監視等委員会 専門委員
2025.09 - 2026.08
経済産業省電力・ガス取引監視等委員会 International Committee for IX WFER
2025.06 - 2026.09
経済産業省資源エネルギー庁 臨時委員
2025.06 - 2026.06
電力システム改革の検証を踏まえた制度設計ワーキンググループ
経済産業省資源エネルギー庁 臨時委員
2025.06 - 2026.06
総合資源エネルギー調査会
経済産業省資源エネルギー庁 委員
2025.06 - 2026.06
ガス事業環境整備ワーキンググループ
独立行政法人経済産業研究所 電力市場のシステム・デザインと我が国への示唆プロジェクトメンバー
2024.06 - 2026.07
一般社団法人 日本卸電力取引所 日本卸電力取引所市場取引監視委員会委員、市場取引検証特別委員会 委員
2024.03 - 2026.06
経済産業省資源エネルギー庁 委員
2023.08 - 2026.03
同時市場の在り方等に関する検討会
公正取引委員会 事務局支援アドバイザー
2023.04 - 2024.03
イノベーションと競争政策に関する検討会
経済産業省資源エネルギー庁 委員
2022.07 - 2023.04
あるべき卸電力市場、需給調整市場及び需給運用の実現に向けた
実務検討作業部会
経済産業省資源エネルギー庁 臨時委員
2022.07 - 2023.07
総合資源エネルギー調査会
Excellent Paper Award (Second Place)
Isogawa, D
2021.12 "Effectiveness of Public Subsidy Policy on Firm Performance in Dynamic R&D Investment: Panel Data Analysis in Japan"
Osaka Metropolitan University Graduate School of Economics Associate Professor
2022.04 - Now
Osaka City University Graduate School of Economics Senior Lecturer
2020.10 - Now
Kyoto University Graduate School of Economics Senior Lecturer
2019.04 - 2020.09
University of Tokyo Graduate School of Public Policy Project Assistant Professor
2017.06 - 2019.03
University of Tokyo Graduate School of Economics Project Researcher
2013.04 - 2017.06
The University of Tokyo Graduate School of Economics Doctor's Course Accomplished credits for doctoral program
2009.04 - 2013.03
The University of Tokyo Graduate School of Economics Master's Course Graduated/Completed
2007.04 - 2009.03
The University of Tokyo Graduated/Completed
2005.04 - 2007.03
需要家の停電価値を考慮した供給信頼度の経済的な決定方法の検討 Reviewed
Atsuki Hashimoto, Daiya Isogawa, Hiroshi Ohashi, Shogo Noda, Takeshi Yamashita, Hideki Kibata, Tokunari Anai
IEEJ Transactions on Power and Energy 144 ( 2 ) 79 - 90 2024.02（ ISSN:0385-4213 ） （ eISSN:1348-8147 ）
Cost Effect of Mergers: Public Hospitals in Japan Reviewed
Daiya Isogawa, Hiroshi Ohashi, Sahoko Furuta
The Economic Analysis 201 62 - 84 2021.02
Hiroshi Kikusato, Yu Fujimoto, Shin-ichi Hanada, Daiya Isogawa, Shinya Yoshizawa, Hiroshi Ohashi, Yasuhiro Hayashi
Institute of Electrical and Electronics Engineers (IEEE) IEEE Transactions on Sustainable Energy 11 ( 3 ) 1394 - 1403 2020.07（ ISSN:1949-3029 ）
Price Effects of Target Ratcheting: A Progress Report on Medical Devices Reviewed
Isogawa, D, H. Ohashi
Japanese Economic Review 70 ( 3 ) 331 - 340 2019.08
医療機器流通における競争性－植込み型心臓ペースメーカを例に Reviewed
五十川大也, 大橋弘
社会保険旬報 2687 2017.09
需給ひっ迫時における需要抑制策の評価：2012年夏季の需給調整契約が産業用需要に与えた影響 Reviewed
五十川大也, 大橋弘, 中村豪, 西川浩平, 花田真一
日本経済研究 73 57 - 83 2016.01
Innovation Height and Firm Performance: An Empirical Analysis from the Community Innovation Survey Reviewed
Isogawa, D, K. Nishikawa, H. Ohashi
KDI Journal of Economic Policy 37 ( 1 ) 44 - 72 2015.02
Quantitative Policy Analysis of Innovation Activities: Application to Dynamic Structural Estimation Reviewed
Isogawa, D, H. Ohashi
Public Policy Review 9 ( 2 ) 257 - 285 2013.03
A Dynamic Model of Product Innovation Activity in Japan and Discussions of Its Policy Implications Reviewed
Isogawa, D, H. Ohashi
Economic Review 62 ( 3 ) 241 - 252 2011.07
Economic Analysis of Product Innovation
Hiroshi Ohashi, Kohei Nishikawa, Akio Kondo, Satoshi Myojo, Tsuyoshi Nakamura, Daiya Isogawa（ Role： Joint author）
University of Tokyo Press 2014.02
The Role of Advance Notice in Shaping Industrial Response to Time-Varying Electricity Prices
Isogawa, D.
2024 Taipei Workshop on Energy Economics 2024.12
R&D Subsidies and Market Competition: Panel Data Analysis in Japan
Isogawa, D
50th EARIE Annual Conference 2023.08
Effectiveness of Public Subsidy Policy on Firm Performance in Dynamic R&D Investment: Panel Data Analysis in Japan Domestic conference
Isogawa, D
11th Asia-Pacific Innovation Conference 2021.12
負荷データを用いた停電価値の推定：需要の異時点間代替を考慮した実証分析 Domestic conference
五十川大也
日本経済学会2020年度秋季大会 2020.10
The Effects of R&D Subsidies on Private R&D Expenditures in Oligopolistic Markets: Empirical Evidence from Japan Domestic conference
Isogawa, D
46th EARIE Annual Conference 2019.09
Intertemporal Substitution in Electricity Consumption: Evidence from a Dynamic Pricing Experiment for Residential Customers in Japan Domestic conference
Isogawa, D
45th EARIE Annual Conference 2018.08
Effects of Dynamic Electricity Pricing on Residential Customers Domestic conference
Isogawa, D
7th Asia-Pacific Innovation Conference 2016.11
Effects of Dynamic Electricity Pricing on Residential Customers Domestic conference
五十川大也
日本経済学会2016年度秋季大会 2016.09
Cost-benefit Analysis for Load Adjustment Contracts on Industrial Electricity Use in Japan Domestic conference
五十川大也
日本経済学会2016年度春季大会 2016.06
Spillovers and Strategic Innovation Activities in a Dynamic Environment: Empirical Implications for Innovation Subsidies Domestic conference
五十川大也
日本経済学会2013年度秋季大会 2013.09
Spillovers and Strategic Innovation Activities in a Dynamic Environment: Empirical Implications for Innovation Subsidies Domestic conference
Isogawa, D
40th EARIE Annual Conference 2013.09
Spillovers and Strategic Dynamics in Product Innovation: Empirical Evidence from Japanese National Innovation Survey 2009 and Implications for Public Financial Support Domestic conference
Isogawa, D
18th International Panel Data Conference 2012.07
プロダクト・イノベーションにおける動学的相互依存関係：波及効果と政策的示唆 Domestic conference
五十川大也
日本経済学会2009年度秋季大会 2011.10
Dynamic Interdependence in Firms’ Product Innovation: Empirical Evidence and Implications for Public Financial Support Domestic conference
Isogawa, D
2nd Asia-Pacific Innovation Conference 2011.05
Empirical Analysis of Investment Incentives for Variable Sources in Power System
Grant-in-Aid for Scientific Research(B) 2025
Empirical Analysis of Investment Incentives for Variable Sources in Power System
Grant-in-Aid for Scientific Research(B) 2024
電力システムにおける変動電源の経済評価と投資誘因の定量分析
Grant-in-Aid for Scientific Research(B) 2023
波及効果を踏まえた研究開発補助金とイノベーションの実証分析
Grant-in-Aid for Early-Career Scientists 2022
波及効果を踏まえた研究開発補助金とイノベーションの実証分析
Grant-in-Aid for Early-Career Scientists 2021
波及効果を踏まえた研究開発補助金とイノベーションの実証分析
Grant-in-Aid for Early-Career Scientists 2020
前期研究指導2
2025 Intensive lecture Graduate school
ワークショップA
2025 Weekly class Graduate school
修士論文
2025 Intensive lecture Graduate school
ワークショップ研究A
2025 Weekly class Graduate school
前期研究指導1
2025 Intensive lecture Graduate school
専門演習1A
2025 Weekly class Undergraduate
専門演習1B
2025 Weekly class Undergraduate
専門演習2
2025 Weekly class Undergraduate
卒業論文
2025 Intensive lecture Undergraduate
産業政策論
2025 Weekly class Undergraduate
産業政策論研究
2025 Weekly class Graduate school
産業政策論
2025 Weekly class Graduate school
経済政策上級講義
2024 Weekly class Undergraduate
専門演習４
2024 Weekly class Undergraduate
卒業論文
2024 Intensive lecture Undergraduate
前期研究指導1
2024 Intensive lecture Graduate school
基礎研究F：政策分析
2024 Weekly class Graduate school
専門演習1A
2024 Weekly class Undergraduate
専門演習1B
2024 Weekly class Undergraduate
産業政策論
2024 Weekly class Undergraduate
産業政策論発展講義
2024 Weekly class Graduate school
産業政策論発展演習
2024 Weekly class Graduate school
産業政策論講義
2024 Weekly class Graduate school
産業政策論演習
2024 Weekly class Graduate school
経済政策上級講義
2023 Weekly class Undergraduate
基礎研究F：政策分析
2023 Weekly class Graduate school
産業政策論
2023 Weekly class Undergraduate
専門演習３
2023 Weekly class Undergraduate
専門演習４
2023 Weekly class Undergraduate
卒業論文
2023 Intensive lecture Undergraduate
産業政策論講義
2023 Weekly class Graduate school
産業政策論演習
2023 Weekly class Graduate school
産業政策論発展講義
2023 Weekly class Graduate school
産業政策論発展演習
2023 Weekly class Graduate school
産業政策論
2022 Weekly class Undergraduate
産業政策論発展演習
2022 Weekly class Graduate school
産業政策論発展講義
2022 Weekly class Graduate school
後期研究指導1
2022 Intensive lecture Graduate school
産業政策論演習
2022 Weekly class Graduate school
産業政策論講義
2022 Weekly class Graduate school
前期研究指導1
2022 Intensive lecture Graduate school
経済政策上級講義
2022 Weekly class Undergraduate
専門演習３
2022 Weekly class Undergraduate
専門演習４
2022 Weekly class Undergraduate
卒業論文
2022 Intensive lecture Undergraduate
基礎研究F：政策分析
2022 Weekly class Graduate school
ガス事業環境整備ワーキンググループに参加し、コメント Newspaper, magazine
ガスエネルギー新聞 ガスエネルギー新聞 2025.10
SDGs：
資源エネルギー庁が新設したガス事業環境整備ワーキンググループの初会合で石炭などから天然ガスへの燃料転換の重要性を指摘 Newspaper, magazine
ガスエネルギー新聞 ガスエネルギー新聞 2025.09
SDGs：
経済産業省・資源エネルギー庁が発表したキロワット時確保義務化についてコメント Newspaper, magazine
日本電気協会新聞部 電気新聞 2025.07
SDGs：
中央土地建物と日本大学とのワークプレイスの活用に関する共同研究について Newspaper, magazine
日刊工業新聞社 日刊工業新聞 2024.06
SDGs：
経済産業省の「同時市場」費用対便益試算結果についてコメント Newspaper, magazine
日本電気協会新聞部 電気新聞 2024.05
SDGs：
Job Career
2020.10 - Now
Osaka City University Graduate School of Economics Senior Lecturer