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Xingbing Li
Zhengzhou Information Engineering University
 
P.O.Box 1001-850, Zhengzhou
Zhengzhou, Henan 450002
China
 
fengdai@public.zz.ha.cn
 
 
 
 
 
 
JEL Areas:
C5 : Econometric Modeling: General
O2 : Development Planning and Policy: General