The 34th Regular Seminar/Hitotsubashi International Seminar:Guanghua Wan, Fudan University, P.R. China, "The impacts of income polarization on health and crimes in China"
The 33rd Regular Seminar/International Seminar:Han Bleichrodt, Erasmus University Rotterdam, the Netherlands, "Ambiguity preferences for health"
The 31st regular seminar : Ying YAO, Hitotsubashi University, "Tobacco Purchasing Behavior : An Analysis of Japanese Consumer Panel Data"
The 30th regular seminar : Makoto TOBE, JICA, "Enabling pregnant women in rural mountainous areas of the Philippines to deliver babies at health facilities without suffering financial hardship — Cooperation for attaining Universal Health Coverage (UHC) by Japan International Cooperation Agency (JICA)"
The 29th regular seminar/Public Economics Workshop:Reo TAKAKU, Institute for Health Economics and Policy, "Detecting Waste in Health Care *via* Hospital Sorting"
The 28th regular seminar/Public Economics Workshop:Shinya SUGAWARA, Tokyo University of Science, ”Pay-for-Performance and Selective Referral in Long-Term Care (joint with Toshiaki Iizuka and Haruko Noguchi)”
The 27th regular seminar : Tamahi KATO (YAMAUCHI), Hitotsubashi University, “Monitoring governance, management and operational capacity of mutual health organizations in three regions of Senegal: Findings from the 2017 Survey"
The 26th Regular Seminar : Niels-Hugo Blunch, Washington and Lee University, USA, "Unintended Consequences: Program Evaluation and The World Bank Vs. Adult Literacy Programs and Child Mortality"
The 25th Regular Seminar : Aki Tsuchiya, The University of Sheffield, UK, "Comparing inequality and risk aversion in social welfare for health and income: an empirical analysis using hypothetical scenarios with losses"
The 24th regular seminar : Tamahi KATO (YAMAUCHI), Hitotsubashi University, "Agricultural input subsidies in sub-Saharan Africa – the case of Tanzania"