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		 First Author:
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		| Haokai  Ning  | 
	
	
		| Center for Industrial and Business Organization, Dongbei University of Finance and Economics | 
	
	
		| neoning@dufe.edu.cn | 
	
	
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		| 217 Jianshan Street | 
	
	
		| Dalian, 116025, China | 
	
	
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		Second Author:
 
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		| Xiaoyang  Dang  | 
	
	
		| Center for Industrial and Business Organization, Dongbei University of Finance and Economics | 
	
	
		| dxy17861128793@163.com | 
	
	
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		| Dalian, 116025, China | 
	
	
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		Third Author:
 
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		| Sisi  Yan  | 
	
	
		| Center for Industrial and Business Organization, Dongbei University of Finance and Economics | 
	
	
		| 18790303605@163.com | 
	
	
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		| 217 Jianshan Street | 
	
	
		| Dalian, 116025, China | 
	
	
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