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The changing skill structure of US industries : 1970 - 1978
Lewis, Gary, (1982)
Institutional frameworks and labor market performance : comparative views on the U.S. and German economies
Buttler, Friedrich, (1995)
Skill differentials in the long and in the short run : a 4-digit SIC level US manufacturing study
Garcia Cervero, Susana, (1996)
Festschrift in honor of Orley Ashenfelter
Card, David E., (2005)
Why have unemployment rates in Canada and the US diverged?
Ashenfelter, Orley, (1986)
Using the longitudinal structure of earnings to estimate the effect of training programs
Ashenfelter, Orley, (1984)