The Premium for Skills: Evidence from Mexico Cragg Michael author Columbia University. Economics Epeaum Mario author Columbia University. Economics contributor originator text Working papers New York Department of Economics, Columbia University 1994 Economics, Labor Department of Economics Discussion Papers 713 http://hdl.handle.net/10022/AC:P:15605 English NNC NNC 2011-02-28 11:25:56 -0500 2011-06-26 22:49:13 -0400 2823 eng