000 00639nam#a2200229#c#4500
003 IEF
005 20180219154916.0
008 941205s1992 uuu####fr####| 0||u| |u
040 _aIEF
100 1 _aNeumark, David
_931204
245 _aUnion threat effects and nonunion industry wage differentials
260 _aCambridge (Mss.)
_b NBER
_c1992
300 _a32 p.
_b gráf.
_c23 cm.
500 _aResumen.-- Conclusiones.-- Bibliografía
490 _aNBER. Working paper;4046
650 4 _aSALARIOS
_948349
650 4 _aSINDICATOS
_942374
650 4 _aESTADOS UNIDOS
_942888
942 _cLIB
942 _z38357
999 _c44404
_d44404