000 00470nas#a2200181#c#4500
003 IEF
005 20180219160412.0
008 970325s1994 uuum| #####0 b| |u
040 _aIEF
110 2 _aNational Bureau of Economic Research
_933614
245 _aTechnical Working Papers
_hPAPEL
260 _aCambridge
_b National Bureau of Economic Research [NBER]
_c1994
310 _amensual
362 1 _a1994-1996
942 _cREV
942 _z86846
999 _c56216
_d56216