4LO, Andrew W , A. Craig Macginlay. Stock Market Prices Do Not Follow Random Walks: Evidence from a Simple Specification Test.The Review of Financial Studies ,1988,1 ( 1 ) :41 -66.
5Johansen S. Statistical Analysis of Cointegration Vector. Journal of Econometfic Dynamic and Control, 1988, 12:231 - 254.
6Johanscn S, K.,lusclius. Maximum Likelihood Estimation and Inference on Cointcgration -with Applications to the Demand for Money. Oxford Bulletin of Economics and Statistics, 1990,52 : 169 - 210.
7罗孝玲．推出粮食期货价格指数势在必行[N]．期货日报理论版，2005-03-16．
8Swaminathan M. S- Science and food security: contemporary issues.World science report ( UNESCO publishing, Elsevier, France ), 1998,248 -259.
9Joseph J. Molnar. Sound policies for food security : the role of culture and social organization. Review of agricultural economics.2000,21 (2) :489 - 498.
10Peterson, E. Wesley F, Jin, Ian, Ito,Shoichi. An Econometric analysis of rice consumption in the People' s Republic of China. Agricultural Economics1991,6(1 ) ,67 - 78.
