J-GLOBAL         Last updated: Nov 27, 2018 at 12:30
Keio University
Faculty of Economics
Ph.D. (Economics)(Rutgers, The State University of New Jersey)
Other affiliation
Hitotsubashi University

Research Interests


Research Areas


Published Papers

End-Of-Life Medical Spending In Last Twelve Months Of Life Is Lower Than Previously Reported
Eric B. French, Jeremy McCauley, Maria Aragon, Pieter Bakx, Martin Chalkley, Stacey H. Chen, Bent J. Christensen, Hongwei Chuang, Aurelie Côté-Sergent, Mariacristina De Nardi, Elliott Fan, Damien Échevin, Pierre-Yves Geoffard, Christelle Gastaldi-Ménager, Mette Gørtz, Yoko Ibuka, John B. Jones, Malene Kallestrup-Lamb, Martin Karlsson, Tobias J. Klein, Grégoire de Lagasnerie, Pierre-Carl Michaud, Owen O'Donnell, Nigel Rice, Jonathan S. Skinner, Eddy van Doorslaer, Nicolas R. Ziebarth and Elaine Kelly
Health Affairs   36(7) 1211-1217   2017   [Refereed]
Yoko Ibuka, Stacey H. Chen, Yui Ohtsu, Nobuyuki Izumida
Fiscal Studies   37(3-4) 561-592   2016   [Refereed]
Yoko Ibuka, Shun-ichiro Bessho
Health Economics, Policy and Law   11 275-302   2016   [Refereed]
Yoko Ibuka, Yasushi Ohkusa, Tamie Sugawara, Gretchen B. Chapman, Dan Yamin, Katherine E. Atkins, Kiyosu Taniguchi, Nobuhiko Okabe, Alison P. Galvani
Journal of Epidemiology and Community Health   70 162-167   2016   [Refereed]
Yoko Ibuka, Shun-ichiro Bessho
Japan and the World Economy   36 56-66   2015   [Refereed]


Kenkō seisaku no keizai bunseki: Reseputo deeta ni yoru hyōka to teigen (An Economic Analysis of Health and Long-term Care Policy in Japan: Evaluations and Policy Discussion Based on Medical and Long-term Care Claims Data) by Yasushi Iwamoto, Wataru Suzuk
Social Science Japan Journal      2018
Health Systems in Low- and Middle- income Countries edited by Richard D. Smith and Kara Hanson, Oxford: Oxford University Press, 2012, xix +288 pp."
The Development Economies   51(4) 411-413   2013

Conference Activities & Talks

A comparison of the uncertainty in mean and individual risk reductions
Annual Meeting of the Society for Medical Decision Making   2008   
Modeling patient-level dependence in cost-effectiveness analysis using copulas
Annual Meeting of the Society for Medical Decision Making   2008   
Vaccination decision-making when interactions with other individuals are allowed: does the free-riding behavior exist?
Annual Research Meeting of AcademyHealth   2009   
Incorporating indirect benefits of vaccination into cost-effectiveness analysis
Annual Meeting of the Society of Medical Decision Making   2009   
Free-riding behavior in vaccination decisions
Conference of the American Society of Health Economists   2010   

Research Grants & Projects

Cost-effectiveness strategies of influenza vaccination
Project Year: 2010