Details about Masato Oikawa

Access statistics for papers by Masato Oikawa.

Last updated 2026-01-09. Update your information in the RePEc Author Service.

Short-id: poi9

Working Papers

2025

1. An Analysis of the Ordinal Rank Effect on Students’ Academic and Physical Outcomes
   Discussion papers, Research Institute of Economy, Trade and Industry (RIETI)
2. Capital Investment, Technology Switching and Production after a Natural Disaster
   Discussion papers, Research Institute of Economy, Trade and Industry (RIETI)
3. When women work, children thrive: Gender-specific employment shocks and child abuse deaths
   Working Papers, Waseda University, Faculty of Political Science and Economics

2024

4. Heterogeneous impacts of local unemployment rates on child neglect: Evidence from Japan’s vital statistics on mortality
   Working Papers, Waseda University, Faculty of Political Science and Economics
5. Impacts of health checkup programs standardization on working-age self-employed and unemployed: Insights from Japan’s local government response to national policy
   Working Papers, Waseda University, Faculty of Political Science and Economics
   See also Journal Article Impacts of health checkup programs standardization on working-age self-employed and unemployed: Insights from Japan’s local government response to national policy, Journal of Health Economics, Elsevier (2025) (2025)

2022

6. Do Class Closures Affect Students' Achievements? Heterogeneous Effects of Students' Socioeconomic Backgrounds
   IZA Discussion Papers, Institute of Labor Economics (IZA)
   Also in Discussion papers, Research Institute of Economy, Trade and Industry (RIETI) (2022)
   See also Journal Article Do class closures affect students’ achievements? Heterogeneous effects of students’ socioeconomic backgrounds, Journal of the Japanese and International Economies, Elsevier (2025) (2025)

2020

7. Do Class Size Reductions Protect Students from Infectious Disease? Lessons for COVID-19 Policy from Flu Epidemic in Tokyo Metropolitan Area
   IZA Discussion Papers, Institute of Labor Economics (IZA)
8. The effect of education on health policy reform: Evidence from Japan
   Health, Econometrics and Data Group (HEDG) Working Papers, HEDG, c/o Department of Economics, University of York View citations (1)
9. Who Has Benefited from Nursing Home Expansion in Japan?: The Effects of Government Supply-Side Intervention in the Elderly Care Market
   Health, Econometrics and Data Group (HEDG) Working Papers, HEDG, c/o Department of Economics, University of York View citations (1)

2017

10. Effects of Informal Elderly Care on Labor Supply: Exploitation of Government Intervention on the Supply Side of Elderly Care Market
    Health, Econometrics and Data Group (HEDG) Working Papers, HEDG, c/o Department of Economics, University of York View citations (2)
11. Examining the Changes in Health Investment Behavior After Retirement: A Harmonized Analysis
    MPRA Paper, University Library of Munich, Germany View citations (1)
12. Retirement and Cognitive Decline: Evidence from Global Aging Data
    MPRA Paper, University Library of Munich, Germany
    Also in Health, Econometrics and Data Group (HEDG) Working Papers, HEDG, c/o Department of Economics, University of York (2016) View citations (3)

2016

13. What Explains the Difference in the Effect of Retirement on Health?: Evidence from Global Aging Data
    MPRA Paper, University Library of Munich, Germany View citations (22)
    Also in Health, Econometrics and Data Group (HEDG) Working Papers, HEDG, c/o Department of Economics, University of York (2016) View citations (8)
    See also Journal Article WHAT EXPLAINS THE DIFFERENCE IN THE EFFECT OF RETIREMENT ON HEALTH? EVIDENCE FROM GLOBAL AGING DATA, Journal of Economic Surveys, Wiley Blackwell (2018) View citations (48) (2018)

Journal Articles

2025

1. Do class closures affect students’ achievements? Heterogeneous effects of students’ socioeconomic backgrounds
   Journal of the Japanese and International Economies, 2025, 78, (C)
   See also Working Paper Do Class Closures Affect Students' Achievements? Heterogeneous Effects of Students' Socioeconomic Backgrounds, IZA Discussion Papers (2022) (2022)
2. Impact of financial support expansion on restaurant entries and exits during the COVID-19 pandemic
   Small Business Economics, 2025, 64, (2), 645-689 View citations (1)
3. Impacts of health checkup programs standardization on working-age self-employed and unemployed: Insights from Japan’s local government response to national policy
   Journal of Health Economics, 2025, 103, (C)
   See also Working Paper Impacts of health checkup programs standardization on working-age self-employed and unemployed: Insights from Japan’s local government response to national policy, Working Papers (2024) (2024)
4. Who has benefited from nursing home expansion in Japan?: The effects of government supply-side intervention
   The Journal of the Economics of Ageing, 2025, 32, (C)

2024

5. The role of education in health policy reform outcomes: evidence from Japan
   The European Journal of Health Economics, 2024, 25, (1), 49-76 View citations (1)

2022

6. Do Class Size Reductions Protect Students from Infectious Diseases?
   American Journal of Health Economics, 2022, 8, (4), 449 - 476 View citations (4)

2020

7. Retirement and health investment behaviors: An international comparison
   The Journal of the Economics of Ageing, 2020, 16, (C) View citations (13)

2019

8. The effect of instructional quality on student achievement: Evidence from Japan
   Japan and the World Economy, 2019, 52, (C) View citations (11)

2018

9. WHAT EXPLAINS THE DIFFERENCE IN THE EFFECT OF RETIREMENT ON HEALTH? EVIDENCE FROM GLOBAL AGING DATA
   Journal of Economic Surveys, 2018, 32, (3), 792-847 View citations (48)
   See also Working Paper What Explains the Difference in the Effect of Retirement on Health?: Evidence from Global Aging Data, MPRA Paper (2016) View citations (22) (2016)