01093cas|a2200265 i 4500 20260817162806.0 090501s1981 us uzm rtt 00| a1eng d .b10086365 HC28 M5 no. 95 Porter, Richard C. Apartheid, the job ladder, and the evolutionary hypothesis : empirical evidence from South African manufacturing, 1960-77 Ann Arbor : Center for Research on Economic Development, University of Michigan, 1981 34, 4 p. Discussion paper ; no. 95 Employment (Economic theory) Employees, Rating of South Africa Michigan. University. Center for Research on Economic Development. Discussion paper ; no. 95 .b10086365 mngc u 150521 1 951012 m a u 0 mngc 14 Barcode : 30050003596813 CREATED : 1994-05-16 RECORD # : i10091361 LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 0 TOT RENEW : 0 6310 6310 0 0 0 0 MAIN MAIN mngc 2026-08-17 10.00 0 HC28 M5 no. 95 30050003596813 2026-08-17 16:28:06 1 2026-08-17 14