000 00284nam a22001217a 4500
003 OSt
008 240105b |||||||| |||| 00| 0 eng d
082 _aP330.1805
_bE22
245 _aEconometrica - Vol.49
260 _bIllionois Univ. of Chic.
_c1981
300 _a4-6
942 _2ddc
_cBK
999 _c35514
_d35514