慶應義塾大学経済学部 教授
【略歴】
慶應義塾大学経済学部卒業、ラトガース大学（アメリカ）よりPh.D.(Economics)を取得。イェール大学（アメリカ）公衆衛生大学院ポストドクトラルフェロー、一橋大学国際・公共政策大学院専任講師などを経て、2016年慶應義塾大学准教授、2019年より現職。専門は医療経済学。感染症に関わる意思決定の分析、日本の市区町村の公衆衛生に関わる政策効果の検証や、医療のレセプトデータを用いた医療費の特性の把握などの研究を進める。
【最近の研究成果】
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- Ibuka, Y., Y. Matsuda, K. Shoji, T. Ishigaki, "Evaluation of regional variations in healthcare utilization." Japanese Journal of Statistics and Data Science 2020, 3, 349-365, 2020.
- Bessho, S., and Y. Ibuka, "Interdependency in Vaccination Policies among Japanese Municipalities." Health Economics, 28(2), 299-310, 2019.
- French, E. B., J. McCauley, M. Aragon, P. Bakx, M. Chalkley, S. H. Chen, B. J. Christensen, H. Chuang, A. Côté-Sergent, M. De Nardi, E. Fan, D. Échevin, P- Y. Geoffard, C. Gastaldi-Ménager, M. Gørtz, Y. Ibuka, J. B. Jones, M. Kallestrup-Lamb, M. Karlsson, T. J. Klein, G de Lagasnerie, P-C. Michaud, O. O'Donnell, N. Rice, J. S. Skinner, E. van Doorslaer, N. R. Ziebarth and E. Kelly, "End-Of-Life Medical Spending In Last Twelve Months Of Life Is Lower Than Previously Reported." Health Affairs, 36(7), 1211-1217, 2017.
- Ibuka, Y., S. H. Chen, Y. Ohtsu, and N. Izumida, “Medical Spending in Japan: An Analysis Using Administrative Data from A Citizen’s Health Insurance Plan,” Fiscal Studies, 37(3-4), 561-592, 2016.
- Ibuka, Y., and S. Bessho, “Out-of-pocket Payments and Community-wide Health Outcomes: An Examination of Influenza Vaccination Subsidies in Japan” Health Economics, Policy and Law, 11(3): 275-302, 2016.
- Ibuka, Y, Y Ohkusa, T Sugawara, G.B. Chapman, D. Yamin, K.E. Atkins, K. Taniguchi, N. Okabe, and A.P. Galvani, “Social Contacts, Vaccination Decisions and Influenza in Japan” Journal of Epidemiology and Community Health, 70(2), 162-167, 2016.
- Ibuka, Y., M. Li, J.T. Vietri, G.B. Chapman, and A.P. Galvani, “Free-riding Behavior in Vaccination Decisions: An Experimental Study” PLoS One, 9(1), e87164, 2014.
- Durham, D. P., E.M. Poolman, Y. Ibuka, J.P. Townsend, and A.P. Galvani, “Reevaluation of Epidemiological Data Demonstrates that It Is Consistent with Cross-immunity among Human Papillomavirus Types” The Journal of Infectious Diseases, 206(8), 1291-1298, 2012.
- Ibuka, Y., A. D. Paltiel, and A. P. Galvani, “Impact of Program Scale and Indirect Effects on the Cost-effectiveness of Vaccination Programs” Medical Decision Making, 32(3), 442-446, 2012.
- Chapman, G. B., M. LI, J. T. Vietri, Y. Ibuka, D. Thomas, H. Yoon, and A.P. Galvani, “Using Game Theory to Examine Incentives in Influenza Vaccination Behavior” Psychological Science, 23(9), 1008-1015, 2012.
- Carr, D., Y Ibuka, and L. B. Russell, "How Much Time Do Americans Spend Seeking Health Care? Racial and Ethnic Differences in Patient Experiences" Research in the Sociology of Health Care 2010, The Impact of Demographics on Health and Health Care: Ethnicity and Other Social Factors; 28:71-98, 2010.
- Lund, J. L., K. R. Yabroff, Y. Ibuka, L. B. Russell, P. G. Barnett, J. Lipscomb, W. F. Lawrence, and M. L. Brown, "Appendix. Inventory of Data Sources for Estimating Health Care Costs in the United States" Medical Care, Supplement 1 2009, Health Care Costs: Data, Methods, Future Directions; 47(7), S127-142, 2009.
- Russell, L. B., Y. Ibuka, and K. G. Abraham, "Health-Related Activities in the American Time Use Survey" Medical Care, 45(7), 680-685, 2007.
