TY - BOOK AU - Harrison,Bennett AU - Sum,Andrew TI - Labor market data needs from the perspective of "dual" or "segmented" labor market research U1 - 331.110973072 PY - 1979/// CY - Washington, D. C. PB - National Commission on Employment and Unemployment Statistics KW - Labor supply KW - United States KW - Statistical methods KW - Labor market KW - Research ER -