TY - BOOK AU - Costa,Dora L. AU - Kahn,Matthew E. TI - Power couples : changes in the locational choice of the college educated, 1940-1990 AV - LB2328.2 C677P PY - 1999/// CY - Cambridge, Mass PB - National Bureau of Economic Research KW - COLLEGE GRADUATE KW - UNITED STATES KW - QUALITY OF LIFE KW - ECONOMIC CONDITIONS ER -