First Author:   Weige Huang Wenlan School of Business, Zhongnan University of Economics and Law darren1988@163.com         Second Author: Brantly Callaway Department of Economics, Temple University brant.callaway@gmail.com   1301 Cecil B. Moore Avenue, Ritter Annex 867 Philadelphia, 19122, US   2152048881(Phone)   www.brantlycallaway.com