(2) by using the samples of Chinese enterprises, the experienced marginal utility curve has high accuracy and abilities of judgment, even higher than the model of Logit;(3) according to features of M.

• （2）利用我国企业样本，该模型所建立的经验效用曲线具有较高的辨别能力，甚至高于利用同样样本建立的Logit模型；