TY - JOUR AU - Rosen,Sherwin TI - Substitution and Division of Labour JF - National Bureau of Economic Research Reprint Series VL - No. 7 PY - 1979 Y2 - April 1979 UR - http://www.nber.org/papers/r0007 N1 - Author contact info: Sherwin Rosen Department of Economics University of Chicago 1126 East 59th Street Chicago, IL 60637 Tel: 312-702-8166 AB - ER -