(Last updated : 2024-12-09 19:28:05)
  OTA RUI
   Department   Undergraduate School  , School of Commerce
   Position   Professor
■ Books and Papers
1. 2024/12 Article Content-based Metric on Monetary Policy Uncertainty by Using Large Language Models RIETI Discussion Paper Series 24-E-080  (Collaboration)  Link
2. 2023/12 Article Labor shortage and early robotization in Japan Economics Letters 233,pp.111404-111404 (Collaboration) 
3. 2022/07 Article Social Learning and Behavioral Change When Faced with the COVID-19 Pandemic: A big data analysis RIETI Discussion Paper Series 22-E-065  (Collaboration) 
4. 2021/02 Article Price Competition and Setup Cost Mathematics 9(3),pp.289-289 (Collaboration) 
5. 2021 Article Consumers’ Perception on Product Quality: An Empirical Study on the Fukushima Nuclear Power Plant Disaster Cities for People from Theory to Practice pp.270-275 (Single) 
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■ Academic Qualifications
1. 2003/09~2009/12 〔Doctorial Course〕, Johns Hopkins University, Completed, Ph. D. (Economics)
2. 2001/04~2004/09 〔Doctorial Course〕, Graduate School, Division of Economics, Keio University, Accomplished credits for doctoral program,
3. 1999/04~2001/03 〔Master Course〕, Graduate School, Division of Economics, Keio University, Completed,
4. 1995/04~1999/03 Faculty of Commerce, Keio University, Graduated,
■ Career History
1. 2024/04~ Meiji University Faculty of Commerce Professor
2. 2020/04~2024/03 Yokohama City University School of Economics and Business Administration Professor
3. 2015/04~2020/03 Yokohama City University School of Economics and Business Administration Associate Professor
4. 2011/04~2015/03 Chiba Keizai University Faculty of Economics Associate Professor
5. 2008/04~2011/03 Chiba Keizai University Faculty of Economics Assistant Professor
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■ Major Subjects
International Finance
■ Academic Associations Membership
1. 2009~ American Economic Association
2. 2009~ Econometric Society
3. 2002~ IEFS Japan
■ Research Topics, Consignment Studies & KAKENHI Researches
1. 2024/04~2025/03  Empirical Analysis of Social Costs Caused By Product Defects Using Big Consumption Data  (Key Word : )
2. 2021/07~2024/03  Investigating a penetration process of new production factors: Implications from the case of industrial robots  (Key Word : )
3. 2021/04~2025/03  Empirical Analysis of Social Costs Caused By Product Defects Using Big Consumption Data  (Key Word : )
4. 2016/04~2020/03  An investigation on effects of differences in product quality on the domestic economy through international trade  (Key Word : )
5. 2016/04~2021/03  Building Consumption Bigdata for High Resolution Analysis towards Evidence-based Policy  (Key Word : )
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■ Web Sites
   https://researchmap.jp/rota
■ Current Specialized Field
Economic policy, Money and finance (Key Word:Socail learning, Market quality, Price competition) 
■ KAKENHI Researcher Number
00338229
■ Courses and Lectures taught or delivered in the past
1. International Economics(Chiba Keizai University, Yokohama City University, Keio University)
2. International Trade(Yokohama City University, Yokohama National University)
3. International Finance(Meiji University)
4. Industrial Organization(Yokohama National University)
5. Introduction of Economics(Chiba Keizai University, Yokohama City University)