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    (Last updated : 2025-07-01 14:25:06)
  KOO, Ja Seung

   Associate Professor (New rank system)

   Division of Arts and Sciences, College of Liberal Arts, International Christian University
■ Professional Background
1. 2022/09~ Associate Professor (New rank system), Division of Arts and Sciences, College of Liberal Arts, International Christian University
2. 2018/04~2022/08 Associate Professor, Kyoto Sangyo University
3. 2015/04~2018/03 Associate Professor, Kobe International University
4. 2014/09~2015/03 Research Associate, Waseda University
5. 2008/09~2012/02 Transaction Advisory Service, Ernst & Young Advisory
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■ Present Specialized Fields
Business Administration (Key Word:Corporate Strategy, International Business) 
■ Main Course Titles
Introduction to Business Administration
■ Books and Articles
1. Book Introduction to Management Studies   (Collaboration) 2022/04
2. Article The Impact of Natural Disasters on Firm Search Orientation: Evidence from a Natural Experiment Technological Forecasting and Social Change  (Collaboration) 2025
3. Article Acquisition Announcements and Stock Market Valuations of Acquiring Firms’ Alliance Partners: A Transaction Cost Perspective Journal of Business Research 118,pp.129-140 (Collaboration) 2020/09
4. Article How Do Advisors Influence Mergers and Acquisitions?: An Analysis of Acquisitions in Japan Journal of Asian Finance, Economics and Business 7(7),pp.123-129 (Single) 2020/07
5. Article How the Lender–borrower Relationship Influences M&As: An Analysis of a Strategic Action in Japan Journal of Distribution Science 14(8),pp.101-107 (Single) 2016/08
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