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First Author:
 
Tade Okediji
University of Minnesota
tokediji@umn.edu
 
Room 231 Ruttan Hall, Room 231 Ruttan Hall, University of Minnesota
St. Paul, 55108, USA
 
612-624-8957(Phone)
612-624-8957(Fax)

Second Author:

Qihui Chen
China Agricultural University
Chen1006@umn.edu
 
College of Economics and Management, Room 302, China Agricultural University
Beijing, 100083, China
 
8610-6273-8705(Phone)
 

Third Author:

Tian Guoqiang
China Agricultural University
tiangq@cau.edu.cn
 
College of Economics and Management, Room 302, China Agricultural University
Beijing, 100083, China
 
8610-6273-8705(Phone)