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CHANGES IN THE SKILL REQUIREMENTS OF THE U.S. LABOR FORCE: 1960-85
Howell, David R., (1988)
TECHNICAL CHANGE AND THE DEMAND FOR SKILLS BY U.S. INDUSTRIES
Howell, David R., (1990)
Skills, Bargaining Power and Rising Interindustry Wage Inequality Since 1970
Howell, David R., (1991)