Bachelor, Columbia University, 1965; Doctor of Philosophy, Columbia University, 1971.
Assistant professor Wayne State University, Detroit, 1971-1973. From assistant professor to associate professor University Washington, Seattle, 1973-1985. Professor Indiana University, Bloomington, 1985-1987.
Professor economics Ohio State University, Columbus, since 1987.
Member Am Economic Association, Econometric Society, International Industrial Relations Association.
Married Barbara L. Brugman, November 22, 1981. Children: Jeffrey Masayuki, Barry Masanori.