The changing selectivity of American colleges
The Journal of economic perspectives, 2009-10, Vol.23 (4), p.95-118 [Peer Reviewed Journal]Copyright 2009 American Economic Association ;Copyright American Economic Association Fall 2009 ;ISSN: 0895-3309 ;EISSN: 1944-7965 ;DOI: 10.1257/jep.23.4.95
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