Costa, Dora L. Power couples : changes in the locational choice of the college educated, 1940-1990 - Cambridge, Mass : National Bureau of Economic Research, 1999 - 45 Subjects--Topical Terms: COLLEGE GRADUATE--UNITED STATESQUALITY OF LIFE--UNITED STATESUNITED STATES--ECONOMIC CONDITIONS LC Class. No.: LB2328.2 / C677P