摘要
本文在较一般的假设下，给出了Ｌｏｒｅｎｔｚ曲线与Ｇｉｎｉ系数的确切定义，并进而严格地给出了其特征性质．
Under more general hypotheses , this paper gives out the exact definition of the Lorentz curve and Gini coefficient, more forward and strictly gives out their characteritic properties.
基金
浙江省自然科学基金
浙江省教委资助
