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

 





Sofien Tiba
University of Sfax, Tunisia
 
,
 
sofienetiba@gmail.com
 
 
 
 
 
 
JEL Areas:
O : Economic Development, Technological Change, and Growth
O3 : Technological Change; Research and Development: General