Research Paper

Takuma Sugiyama (2023), “Impact of Active Labor Market Programs on Immigrant and Native Workers”, Migration Letters, 21(2), pp.27-38
https://migrationletters.com/index.php/ml/article/view/5848 

大竹, 中村, 杉山 (2026), 感染症発生届出促進ナッジ, 行動経済学,19 巻, p. 1-35, 公開日 2026/07/10, Online ISSN 2185-3568, https://doi.org/10.11167/jbef.19.A2.pp.1-35, https://www.jstage.jst.go.jp/article/jbef/19/0/19_19.A2.pp.1-35/_article/-char/ja 

Takuma Sugiyama (2024), “Does the Restriction Policy of High-skill Immigrants Benefit Native Workers?,” RIEB Discussion Paper Series No.DP2024-01, Kobe University, February 2024
https://www-rieb-kobe–u-ac-jp.translate.goog/academic/ra/dp/English/dp2024-01.html?_x_tr_sl=en&_x_tr_tl=ja&_x_tr_hl=ja&_x_tr_pto=sc 

大竹・中村・杉山(2026), "感染症発生届出促進ナッジ", RIETI Discussion Paper
https://www.rieti.go.jp/jp/publications/summary/26030002.html

"Shinsuke Asakawa & Takuma Sugiyama, 2026. "The Impact of Municipal One-Stop Consultation Centers (OSCs) for Foreign Residents on Firms and Workers in Japan," Discussion Papers in Economics and Business 26-01, Osaka University, Graduate School of Economics.
https://www2.econ.osaka-u.ac.jp/econ_society/d-p/