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

 





Haiyong Liu
East Carolina university
 
Dept of Economics
East Carolina University
10th Street
Greenville, NC 27858
USA
 
liuh@ecu.edu
 
 
 
 
 
 
JEL Areas:
J : Labor and Demographic Economics
I1 : Health: General