This month's featured article
RIETI Faculty Fellow Professor Sagiri Kitao’s co-authored paper wins the 2025 JER Best Article Award

KITAO SagiriFaculty Fellow, RIETI
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To read the news and related paper:
https://www.rieti.go.jp/en/about/activities/25112501/
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We are delighted to announce that a paper co-authored by RIETI Faculty Fellow Professor Sagiri Kitao "Medical expenditures over the life-cycle: persistent risks and insurance," has received the prestigious 2025 JER Best Article Award for The Japanese Economic Review (JER).
The Japanese Economic Review is a quarterly academic journal in English published by the Japan Economic Association. The JER Best Article Award honors the author(s) of the most outstanding paper published in the journal in a year.
Related Papers
"Medical Expenditures over the Life Cycle: Persistent Risks and Insurance"
FUKAI Taiyo (University of Tokyo) / ICHIMURA Hidehiko (University of Arizona / University of Tokyo) / KITAO Sagiri (Senior Fellow, RIETI) / MIKOSHIBA Minamo (University of Tokyo)
https://www.rieti.go.jp/en/publications/summary/21080017.html
"Endogenous Migration and the Macroeconomic Impact of Foreign Workers in Japan"
KITAO Sagiri (Faculty Fellow, RIETI) / TAKEDA Nozomi (University of Minnesota)
https://www.rieti.go.jp/en/publications/summary/25110009.html
"Nonlinear Earnings Dynamics and Inequality over the Life Cycle: Evidence from Japanese Municipal Tax Records"
KITAO Sagiri (Senior Fellow (Specially Appointed), RIETI) / SUZUKI Michio (Tohoku University) / YAMADA Tomoaki (Meiji University)
https://www.rieti.go.jp/en/publications/summary/25080016.html
"Earnings Inequality Analysis Using Administrative Tax Data in Japan"
KITAO Sagiri (Senior Fellow (Specially Appointed), RIETI) / SUZUKI Michio (Tohoku University) / YAMADA Tomoaki (Meiji University)
https://www.rieti.go.jp/en/publications/summary/25090002.html
Related Articles
"Japan’s Outdated Policies Must be Abandoned to Thrive"
KITAO Sagiri (Senior Fellow (Specially Appointed), RIETI)
https://www.rieti.go.jp/en/papers/contribution/kitao-sagiri/07.html
"Current Macroeconomics Incorporating Individual Heterogeneity"
KITAO Sagiri (Senior Fellow (Specially Appointed), RIETI)
https://www.rieti.go.jp/en/papers/contribution/kitao-sagiri/06.html
"What Can Be Done to Combat the Declining Total Fertility Rate: Stable employment and income should be given top priority"
KITAO Sagiri (Senior Fellow (Specially Appointed), RIETI)
https://www.rieti.go.jp/en/papers/contribution/kitao-sagiri/05.html
Our Latest Discussion Papers
"The (In)Stability of International Marriages in Japan"
OKANIWA Fusae (Yamagata University) / IBUKA Yoko (Keio University) / MARUYAMA Shiko (Osaka University) / YIN Ting (Fellow (Specially Appointed), RIETI)
https://www.rieti.go.jp/en/publications/summary/25120006.html
"Artificial Intelligence for Detecting Price Surges Based on Network Features of Crypto Asset Transactions"
IKEDA Yuichi (Kyoto University) / AOYAMA Hideaki (Faculty Fellow, RIETI) / HATSUDA Tetsuo (RIKEN) / SHIRAI Tomoyuki (Kyushu University) / HASUI Taro (Kyushu University) / HIDAKA Yoshimasa (Kyoto University) / Krongtum SANKAEWTONG (Kyoto University) / IYETOMI Hiroshi (Rissho University) / YARAI Yuta (Reitaku University) / Abhijit CHAKRABORTY (Indian Institutes of Science Education and Research Tirupati) / NAKAYAMA Yasushi (SBI Financial and Economic Research Institute Co. Ltd.) / FUJIHARA Akihiro (Chiba Institute of Technology) / Pierluigi CESANA (Kyushu University) / SOUMA Wataru (Rissho University)
https://www.rieti.go.jp/en/publications/summary/25120004.html
"Geopolitical Risk and Supply Chain Diversification: Evidence from Japanese multinational firms"
DOAN Thi Thanh Ha (Economic Research Institute for ASEAN and East Asia (ERIA)) / ITO Asei (University of Tokyo) / LUO Changyuan (Fudan University) / ZHANG Hongyong (Senior Fellow, RIETI)
https://www.rieti.go.jp/en/publications/summary/25120003.html
"The Effect of Subject-area Specialization on Student Achievement: Evidence from a cluster-randomized experiment in elementary schools"
IGEI Kengo (Keio University) / NAKAMURO Makiko (Faculty Fellow, RIETI) / MURAKAWA Tomoya (Harvard University) / LE Quang Chien (Embassy of Japan in Vietnam)
https://www.rieti.go.jp/en/publications/summary/25120001.html
"Endogenous Migration and the Macroeconomic Impact of Foreign Workers in Japan"
KITAO Sagiri (Faculty Fellow, RIETI) / TAKEDA Nozomi (University of Minnesota)
https://www.rieti.go.jp/en/publications/summary/25110009.html
List of Discussion Papers:
https://www.rieti.go.jp/en/publications/act_dp.html
List of Upcoming and Past Symposiums:
https://www.rieti.go.jp/en/events/symposium.html
List of Upcoming and Past BBL Seminars:
https://www.rieti.go.jp/en/events/bbl/
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