%0 Journal Article %T Research on Post Evaluation Model of Highway Economic Benefits Based on Buffer Operator %A ZENG Bo %J Journal of Chongqing Normal University %D 2013 %I Chongqing Normal University %X Direct application of GM (1,1) model on the post evaluation of highway economic effectiveness may get unreasonable conclusions£¬therefore the present paper preprocess the raw modeling data through buffer operator technique to eliminate the impact of shock disturbed on the predicted results of GM (1,1) mode£¬and on this basis£¬build a more reasonable post evaluation model of highway economic effectiveness AKs^(1)(k+1)=(s(0)(1)£­b/a)¡Áe£­ak+b/a.This model is applied to evaluate the economic effectiveness of the Yu chang highway£¬and get the reasonable conclusion that the construction of highway has a stimulating effect on the development of local economic£»the result has important impact on enriching and improving the post evaluation theoretical system£¬and promoting the effective association between the grey model and the practical issues. %K post evaluation model£»buffer operator£»GM (1£¬1) model£»Yu chang highway %U http://journal.cqnu.edu.cn/1301/pdf/130114.pdf