KURODA Sachiko

Field of specialization: Labor Economics, Applied Microeconomics
Research topics: Work hours, Time allocation/Time use, Mental Health and Workplace, Health and Productivity Management

• Research on Diverse Work Styles, Health and Productivity (January 1, 2023 - June 30, 2025)
• Research on working-style reform, health and productivity management (August 12, 2019 - July 31, 2021)

2009 Ph.D. Commerce, Keio University
1999 M.A. Economics, Aoyama-gakuin University
1994 B.A. Economics, Keio University

2014-Present: Professor, Faculty of Education and Integrated Arts and Sciences, Waseda University
2011-2014: Associate Professor, Faculty of Education and Integrated Arts and Sciences, Waseda University
2009-2011: Associate Professor, the Institute of Social Science at the University of Tokyo
2006-2009: Associate Professor, Institute of Economic Research, Hitotsubashi University
1994-2006: Institute of Monetary and Economic Studies, Bank of Japan

Books

• Economic Analysis of Working Hours : Prospects for a Working Style in a Super-aging Society, Tokyo: Nikkei Publishing Inc., 2014 (with Isamu Yamamoto))

Papers Published in Refereed Journals

• "Working from home and productivity under the COVID-19 pandemic: Using survey data of four manufacturing firms," PLOS ONE, 16(12),2021 (with Ritsu Kitagawa, Hiroko Okudaira, and Hideo Owan)
• "Mental health effects of long work hours, night and weekend work, and short rest periods," Social Science & Medicine, 246, 2020 (with Kaori Sato and Hideo Owan)
• Why Do People Overwork at the Risk of Impairing Mental Health,? Journal of Happiness Studies, 20(5), 2019 (with Isamu Yamamoto)
• Good boss, bad boss, workers' mental health and productivity: Evidence from Japan, Japan and the World Economy, 48, 2018 (with Isamu Yamamoto)
• Does Downsizing Take a Toll on Retained Staff? An Analysis of Increased Working Hours in the Early 2000s in Japan, Journal of the Japanese and International Economies, 36, 2015 (with Yuji Genda and Souichi Ohta)
• Is Downward Wage Flexibility the Primary Factor of Japan's Prolonged Deflation?, Asian Economic Policy Review, 9, 2014 (with Isamu Yamamoto)
• Firm's Demand for Work Hours: Evidence from Multi-Country and Matched Firm-Worker Data, Journal of the Japanese and International Economies, 29(3), 2013 (with Isamu Yamamoto)
• Do Peers Affect Determination of Work Hours? Evidence based on Unique Employee Data from Global Japanese Firms in Europe, Journal of Labor Research, 34(3), 2013 (with Isamu Yamamoto)
• Impact of Overtime Regulations on Wages and Work hours, Journal of the Japanese and International Economies, 26(2), 2012, pp.249-262(with Isamu Yamamoto)
• The Era of the 24-hour Society?: Assessing Changes in　Work Timing using a Japanese Time Use Survey, Applied Economic Letters, 19(11), 2012, (with Isamu Yamamoto)
• Do Japanese Work Shorter Hours than before? : Measuring Trends in Market Work and Leisure Using 1976-2006 Japanese Time-Use Survey, Journal of the Japanese and International Economies, 24(4), 2010