4Leland, H. E. (1968), Saving and uncertainty: the precautionary demand for saving, Quarterly Journal of economic Review.
5[美]约翰·内特等.《应用线性回归模型》.中国统计出版社,1990.
6Feltenstein A. D., Wjinbergen S. V. :Saving, Commodity market rationing and the rate of interest in China, Journal of Money, Banking and Credit, 1990,22.