000 00349nam a2200145Ia 4500
008 131111s9999 xx 000 0 und d
100 _aMishra,E J
245 _aEconomic efficiency and social welfare
260 _aLondon
260 _bGeorge Allen
260 _c1981
300 _a276p.
650 _aEconomics
_aSocial welfare
763 _a16397
999 _c52200
_d52200