4James P.Houck. An Approach to specifying and estimating nonreversmle Functions [J].American Journal of agricultural Ecomomics, 1977,59(3).
5Ronald W.Ward. Asymmetry in Retail, Wholesale and Shipping Pricing for Fresh Vegetables[J].American of Agricuhural Economics, 1982,64(2):205- 212.
6Ronald W. Ward and Thomas Stevens: Pricing linkages in the Supply Cha- in.The Case for Structural Adjustments in the Beef Industry [J].American Journal of Agricultural Economics, 2000,82(5) : 1112-1122.
7Hodrick, Robert and Prescott, Edward. Post-war Business Cycles : An Em- pirical Investigation [J].Journal of Money, Credit and Banking, 1997,29 (1):1-16.
8ZhangLiXiang,ZhangXiCai. External impact to our country agricultural product price fluctuations The study on the impact of agricultural ind- ustry chain based on perspective [J].Management World,2011(01).
9HanYiJie,LiuXiuLi. Chinese pork prices on the other department pnxtuct price and the influence of the CPI measure [J].Chinese Rural Economy, 2011(05).
