研究 Research

Published Paper
(refereed)

1. Yusuke Ikuta and Takashi Yanagawa, "Ownership structure of nuclear power plants for fair competition and efficiency: private low-cost access versus public ownership" , The International Journal of Economic Policy Studies,  Japan Economic Policy Association, Vol.17, pp307-330, 2022.

2. Yusuke Ikuta, "Linear supply function competition in a vertically related market" , The International Journal of Economic Policy Studies,  Japan Economic Policy Association, Vol.12, pp1-21, 2018.

3. Yusuke Ikuta, "Analysis of merger effect using the event study approach: Evidence from the steel industry in Japan", The International Journal of Economic Policy Studies, Japan Economic Policy Association, Vol.9, pp96-112. 2014.

（和文）

1. 安達晃史，生田祐介，永田靖，松本宗谷．「我が国のスポーツビジネスにおける投資の現状と課題」,『大阪産業大学経営論集』第24巻2号, 2023年．

Unpublished Paper

1. Yusuke Ikuta, "Unregulated upstream monopolist in vertical structure: Vertical integration versus legal unbundling" 2016.

Work in Progress

1. Product liability and privacy usage

2. Privacy disclosure for value impovement in personalization (present at APIOC 2023 in Hong Kong)

3. Emprical analysis of stadium restructuring (joint work with Koji Aadachi and Soya Matsumoto)

Published Paper (refereed)

1. Kazuhiro Seki, Yusuke Ikuta, and Yoichi Matsubayashi. "News-based Business Sentiment and its Properties as an Economic Index", Information Processing & Management (2021). 

2. 関和広・生田祐介「経済ニュースによる景況感指数の足元予測」『情報処理学会論文誌ジャーナル』, 62(5), pp1288-1297. 2021.

Discussion Papers

1. 生田祐介，関和広，松林洋一. 「テキストデータを利用した新しい景況感指標の開発と応用 (下) ―応用編：深層学習を利用したテキスト分析―」 APIR Discussion Paper Series, No. 48, https://www.apir.or.jp/research/9261, February 2021.

2. 生田祐介，木下祐輔，松林洋一．「テキストデータを利用した新しい景況感指標の開発と応用(上) ― 入門編：基礎的概念と分析手法の解説 ―」APIR Discussion Paper Series No.47, https://www.apir.or.jp/research/9071/, November 2020.

研究報告書

１．関和広，松林洋一，生田祐介．『テキストデータを利用したS-APIR指数の実用化』
　　一般財団法人アジア太平洋研究所（APIR）2022年度研究会報告書

Media coverage

寄稿『異説通説』Kyodo Weekly 共同通信社 

1. 「独禁法と知財権の有効な運用」No.41, p17. 2017.

2. 「談合を経済学的に考えた」No.7, p14. 2018.

3. 「個人データは誰のもの」No.22, p14. 2018.

4. 「実力勝負で経済に活力を」 No.33, p14. 2018.

5. 「デジタル経済と個人」 No.6, p10. 2019.