전문 번역가, 번역 회사, 웹 페이지 및 자유롭게 사용할 수 있는 번역 저장소 등을 활용합니다.
hij is sinds 1976 een fellow van de econometric society.
he held teaching positions at the university of pennsylvania (1970–1971), university of minnesota (1971–1987), university of chicago (1991–1998), stanford university (1998–2002) and princeton university (2009), and is currently a professor of economics at new york university (since 2002).