Publications
Peer-reviewed articles
- 2024Okubo, S. 潜在的結果モデルに基づいたパネル条件付けバイアスの識別仮定と方法:パネル追加ランダムサンプリングを用いた自然実験 [Identification assumptions and strategies for panel conditioning bias based on the potential outcomes model: a natural experiment with additional random sampling]. Advances in Social Research (Shakai to Chōsa), 33, 58–70.in Japanese
- 2017Okubo, S. 介護労働における早期離職率の規定要因:「1年目の壁」はいかにして超えられるか [Solving early turnover in care work: evidence from Japan]. Journal of Welfare Sociology, 14, 147–167.in Japanese
- 2017Okubo, S. 介護保険サービスにおける介護労働と賃金:賃金規定要因は分位点により異なるのか [Variation in wage inequality across the care workers' earnings distribution: evidence from quantile regression]. Soshioroji, 61(3), 3–22.in Japanese
- 2016Okubo, S. 介護労働における就業継続意向の規定要因:“Prisoner of Love”仮説の検証 [Prisoner of love in care work? Evidence from Japan]. Kansai Sociological Review, 15, 46–59.in Japanese
- 2011Okubo, S. 福祉国家制度のダイナミクス:福祉国家研究の発展と制度変化メカニズム [Dynamics of the welfare state]. Mita Business Review, 32, 53–75.in Japanese
Invited articles and tutorials
- 2023Okubo, S. 社会学における機械学習の応用 [Applications of machine learning in sociology]. Advances in Social Research, 31, 13–19.invited · in Japanese
- 2023Okubo, S. 統計的因果推論入門:関連が因果となる条件 [Introduction to statistical causal inference: association meets causation]. Sociological Theory and Methods, 38(1), 169–180. linkinvited · in Japanese
- 2021Okubo, S. パネルデータ分析における固定効果モデルの取扱説明書 [How to use fixed effects models with panel data]. Journal of Social Science (Institute of Social Science, The University of Tokyo), 72(1), 55–68.invited · in Japanese
- 2019Okubo, S. 因果推論の道具箱 [Tools of causal inference]. Sociological Theory and Methods, 34(1), 20–34.invited · in Japanese
- 2016Okubo, S. 因果推論の理論と分析手法 [Causal inference in theory and practice]. Annals of Human Sciences (Osaka University), 37, 35–50.in Japanese
- 2014Okubo, S. 制度研究のフロンティア:ゲーム理論・因果推論・操作変数法 [Frontiers of institutional analysis: game theory and causal inference]. Annals of Human Sciences, 35, 19–37. linkin Japanese
- 2013Okubo, S. 制度変化はいかに起こりうるか:社会保険制度の発展構造分析に向けての試論 [How does institutional change occur? Towards a structural analysis of social insurance development in Japan]. Annals of Human Sciences, 34, 73–91. linkin Japanese
Books and chapters
- 2023Okubo, S. & Kurokawa, H. (translators). 『傾向スコア』 [Japanese translation of Bai, H. & Clark, M. H., <em>Propensity Score Methods and Applications</em>]. Kyoritsu Shuppan, x+163 pp., ISBN 978-4-320-11414-2.
- 2020Okubo, S. ライフコースにおける男女間収入格差の生成:不平等と階層に着目して [The making of the gender income gap over the life course]. in H. Ishida, S. Arita & S. Fujihara (eds.), Tracing Life Courses: Contemporary Japan through the JLPS Panel Surveys (人生の歩みを追跡する), Keiso Shobo.chapter · in Japanese
Working and discussion papers
- 2023Fujihara, S., Kawata, K., Nakabayashi, M. & Okubo, S. Different measures, different perceptions: a survey on measure sensitivity of inequality perception from Japan. CSRDA Discussion Paper Series, No. 66.
- 2023Kezuka, K., Okubo, S. & Takikawa, H. Does single-sex education strengthen attitudes toward gender roles? A causal inference approach using Japanese survey data. CSRDA Discussion Paper, No. 48.
- 2019Okubo, S., Kawata, K., Yin, T. & Xu, Z. Wage stratification between care workers and non-care workers in Japan: evidence from 2001–2017. RIETI Discussion Paper, 19-E-081.
- 2019Okubo, S., Kawata, K., Yin, T. & Zhong, R. Income stratification of potential care workers among internal migrants in China. RIETI Discussion Paper, 19-E-079.
- 2018Okubo, S. Causal effects of time-constant variables with counterfactual mediation modeling: evidence from the gender wage gap in Japan. OSF working paper.
- 2018Okubo, S. What affects survey nonresponse? Bayesian LASSO estimation with high-dimensional data. OSF working paper.
- 2018Okubo, S. How do we solve early turnover in care work? Evidence from Japan. Osaka Human Sciences, 4, 157–174.
Survey reports
With Hiroshi Ishida, Kenji Ishida, Misaki Matano and others I co-author the annual analytical reports of the Japanese Life Course Panel Surveys (JLPS) — the ISS Panel Survey Discussion Paper Series (nos. 112, 121, 128, 143, 151, 165, 174) and the two-part reports in Chūō Chōsa-hō (2019–2025) — covering health, employment, caregiving, migration, wellbeing, and life under COVID-19. A list is on researchmap.