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Research Associate
Faculty of Economics, Keio University
Research Fields: Family Economics, Labor Economics, Macroeconomics
Research of Interest: Household Behavior, Gender Norms, Economic Growth, Public Policies, Marriage Market, Labor Market
Address: 2-15-45 Mita, Minato-ku, Tokyo 108-8345, Japan
Email: ryo_sakamoto[atmark]keio.jp
Education
March 2024 Ph.D. in Economics, Osaka University
March 2021 M.A. in Economics, Osaka University
March 2019 B.A. in Economics, Nagoya University
Academic Positions
April 2025 - present Research Associate at the Faculty of Economics, Keio University
April 2024 - March 2025 Specially Appointed Research Fellow at ISER, Osaka University
Journal Articles
Hongzi Liu and Ryo Sakamoto, "On the Role of Social Security Systems in a Non-unitary Discounting Model,"
Journal of Population Economics, September 2025, Vol. 38, Article 56.
Ryo Sakamoto and Miki Kohara, "Why Gender Norms Matter,"
Economica, January 2025, Vol. 92, No. 365, pp. 150–172.
Ryo Sakamoto, "Family Bargaining over Parental Leave: A Collective Household Model with Endogenous Gender Power,"
Pacific Economic Review, December 2023, Vol. 28, No. 5, pp. 613–637.
Working Papers
Ryo Sakamoto, "Effects of Childcare Policies on Fertility and Maternal Labor Supply: Focus on Endogenous Gender Power within Households."
R&R (2nd round) at Journal of Public Economic Theory
Ryo Sakamoto and Katsunori Minami, "On the Undesirable Repercussions of Gender Norms in an Endogenous Growth Model."
R&R at Scandinavian Journal of Economics
Yumi Ishikawa, Youngrok Kim, Mao Nakayama, Ryo Sakamoto, and Yanni Shen, "Social Norms and Diet for Young Women."
Ryo Sakamoto and Takuma Sugiyama, "The Effect of Low-skilled Immigration on Women's Labor Supply: Theory and Evidence from the United States."
Katsunori Minami and Ryo Sakamoto, "Gender Norms Limit Growth."
Work in Progress
"Are Childcare Policies Effective in Encouraging Fertility?" coauthor with Miki Kohara.
"The Dynamics of Intra-Household Bargaining Power and Household Financial Arrangements," coauthor with Dongya Koh and Miki Kohara.
"How Do Divorce Laws Impact Money and Time Allocation?" coauthor with Makoto Shimoshimizu and Takuma Sugiyama.
"Endogenous Gender Norms," coauthor with Katsunori Minami.
"Social Norms and the Gender Gap in Willingness to Compete," coauthor with Yumi Ishikawa and Yanni Shen.
"Social Stigma against Outsourcing Home Production," (tentative) coauthor with Ken Tabata.
"Gender Norms and the Welfare Implications of Pay-as-you-go Pension Systems."
Grants
Jul 2024 - Mar 2026, Grant-in-Aid for Research Activity Start-up, JSPS KAKENHI (grant number: JP24K22635)
Oct 2021 - Mar 2024, JST SPRING (grant number: JPMJSP2138)
Apr 2021 - Mar 2024, JASSO Scholarship, "Exemption from Return for Particularly Outstanding Achievement" (Full exemption)
Apr 2020 - Mar 2021, JASSO Scholarship, "Exemption from Return for Particularly Outstanding Achievement" (Full exemption)
Refereeing
International Journal of Economic Theory
C.V.
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