TY - BOOK AU - Ashenfelter,Orley AU - Rouse,Cecilia TI - Schooling, intelligence, and income in America : cracks in the bell curve AV - HD6278 .U6 A833S PY - 1999/// CY - Cambridge, Mass PB - National Bureau of Economic Research KW - WAGES KW - EFFECT OF EDUCATION ON KW - UNITED STATES KW - HUMAN CAPITAL KW - EDUCATION KW - ECONOMIC ASPECTS ER -