Hitotsubashi Workshop on Economic Measurement Group[*]

joint sponsorship with Reitaku International Research Institute.

 

 

October 25, 2025 10:25 a.m.-19:00 p.m.

 

The International House of Japan, Inc. (国際文化会館)

5-11-16 Roppongi, Minato-ku, Tokyo, 106-0032

Organizers

Naohito Abe, Iichiro Uesugi, Chihiro Shimizu (Hitotsubashi U.)

 

 

9:45　　　　　　 Registration Open

 

10:15-10:30      Opening Remarks　Charles Yuji Horioka, Professor, Kobe University, President, Japan Economic Association & IARIW President-elect.

 

 

Session 1:

Chair: Chihiro Shimizu (Hitotsubashi University)

 

10:30-11:00      Chihiro Shimizu, Hitotsubashi University with Erwin Diewert and Koji Nomura.

“Estimating Flexible Functional Forms Using Macroeconomic Data”

 

11:00-11:30      Noriko Inakura, Shikoku University, with Naohito Abe.

 “Age, Income, Region Specific CPI and Consumption Inequality”

 

11:30-12:00      Ttutomu Miyagawa, Gakushuin University.

“On the Measurement of Digitalization: The Case of Japan”

 

 

 

12:00-13:00                Lunch

 

 

Session 2:

Chair: Iichiro Uesugi (Hitotsubashi University)

13:00-13:50　    Keynote 1. Erwin Diewert, The University of British Columbia, with Chihiro Shimizu

“Scanner Data, Product Churn and Quality Adjustment”  (Paper)

 

13:50-14:10    Toshihiko Akatani, Statistics Bureau , Ministry of Internal Affairs and Communications,
　“Expanding the use of Big Data for CPI in Japan”

14:10-14:40       

 

       Coffee break, Discussion for Statistics Bureau . Reports

 

 

 

Session 3:

Chair: Naohito Abe (Hitotsubashi University)

 

14:40-15:30     Keynote 2. Prasada Rao, Queensland University with Alicia Rambaldi, Reza Hajargasht and Bill Griffiths.

“The Econometrics of Constructing Panels of Real Incomes and Inequality; and Global and Regional Trends in Economic Welfare Over the Last Fifty Years”

 

15:50-16:20　   Kyoji Fukao, Hitotsubashi University

“Global Value Chains, TFP Growth, and Economic Welfare”

 

16:20-16:40　   Hideyuki Mizobuchi, Doshisha University, with Valentin Zelenyuk.

“Constructing Observable Bounds for Productivity Index”

 

16:40-17:00　   Susumu Kawahara, Hitotsubashi University

“Study on Price Deflator of Long-term Care Reflecting Qualitative Changes”

 

 

17:00　　　　 Closing Remarks   Naohito Abe, Assistant Vice President, Professor of Economic Research & Director of the International Center of Research and Training for Economic Measurement (Hi-CEM), Hitotsubashi University.    

 

17:30-19:00　　 Meeting for IARIW2025.