000 00625nam#a2200205#c#4500
003 IEF
005 20180219172327.0
008 950704s1996 uuu####fr####| 0||u| |u
040 _aIEF
100 1 _aShea, John
_940997
245 _aInstrument relevance in multivariate linear models : a simple measure
260 _aCambridge (Mass.)
_b National Bureau of Economic Research
_c1996
300 _a18 p.
_b gráf.
_c 20 cm.
500 _aResumen;bibliografía;conclusiones
490 _aNBER technical working paper; 193
650 4 _aMODELOS ECONOMETRICOS
_947776
942 _cLIB
942 _z71094
999 _c120993
_d120993