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First Author:
 
Suleiman O Mamman
Graduate School of Economics and Management, Ural Federal University, Russia
onimisism@gmail.com
 
 
 
 

Second Author:

Jamilu Iliyasu
Department of Economics, ABU Business School, Ahmadu Bello University, Nigeria
jamnashuha@gmail.com
 
 
 
 

Third Author:

Aliyu R Sanusi
Department of Economics, ABU Business School, Ahmadu Bello University, Nigeria
aliyurafindadiz@yahoo.com