000 00784nam#a2200253#c#4500
999 _c11955
_d11955
003 IEF
005 20210916122035.0
008 941209s1994 USA##d#fr####| 0||u|ENG|u
040 _aIEF
_cES-MaIEF
041 _aENG
100 1 _aHeckman, James Joseph
_920868
245 _aAccounting for dropouts in evaluations of social experiments
260 _aCambridge (Mass.)
_b National Bureau of Economic Research
_c1994
300 _a24 p.
_b graf.
_c 22 cm.
490 _aNBER technical working papers ; 166
500 _aResumen. Conclusiones. Bibliografía
650 4 _948066
_aPOLITICA ECONOMICA
650 4 _932204
_aASPECTOS SOCIALES
700 1 _aSmith, Jeffrey Andrew
_941614
700 1 _aTaber, Christopher
_942910
942 _cLIB
_2udc
942 _2udc