학력
- Ph.D., Economics, State University of New York at Buffalo, 1995.
- 경제학석사, 서울대학교, 1985.
- 경제학사, 서울대학교, 1981.
주요 경력
- 2001.03~현재서울시립대 경제학부, 조교수/부교수/정교수
- 2011.03~2012.02한국산업조직학회 회장
- 2010.01~2012.12정보통신정책학회 감사
- 2006.03~2013.022단계 두뇌한국(Brain Korea)21 서울시립대 “응용미시경제 인력양성팀” 사업팀장
- 1985.06~2001.02케이티(KT), 전임연구원/선임연구원/연구팀장
대표 논문
- COVID-19 and Changes in Content Usage Behavior: The Case of South Korea (with Minchang Kim), Telecommunications Policy, 47(1), 2023, pp.1-14.
- Entry and Exit of Small Self-employed Businesses in Korea’s Service Industries (with Jaekyung Kim), Small Business Economics, 54(1), 2020, pp.303-322.
- Declining First-mover Advantage in Mobile Telecommunications Markets, The Service Industries Journal, 34(2), 2014, pp.89-102.
- Mergers, Capital Gains, and Productivity: Evidence from U.S. Telecommunications Mergers (with Michael Gort), Contemporary Economic Policy, 24(3), 2006, pp.382-394.
- Economies of Scale and Natural Monopoly in the U.S. Local Telephone Industry (with Michael Gort), Review of Economics and Statistics, 82(4), 2000, pp.694-697.
저서 및 역서
- Global Economy and Digital Society (with Erik Bohlin, Stanford Levin, and Chang-Ho Yoon), Amsterdam: Elsevier Ltd., 2004.