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

 





Xinzheng Shi
School of Economics and Management, Tsinghua University
 
,
 
shixzh@sem.tsinghua.edu.cn
 
 
 
 
 
 
JEL Areas:
I2 : Education: General
D1 : Household Behavior: General