All Rights Reserved
AccessEcon LLC 2006, 2008.
Powered by MinhViet JSC

 





Jiguo Zhang
Shandong Agricultural University
 
,
 
jiguo@sdau.edu.cn
 
 
 
 
 
 
JEL Areas:
F1 : Trade: General
Q0 : Agricultural and Natural Resource Economics; Environmental and Ecological Economics: General