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		| Ling  Liang | 
	
		| Zhengzhou Information Engineering University | 
	
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		| # 5, Jian-Xue Street | 
	
		| # 5, Jian-Xue Street | 
	
		| Wen-Hua Road | 
	
		| Zhengzhou, Henan 450002 | 
	
		| 中国 | 
	
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		| liang_ling@163.com | 
	
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		| JEL Areas: F4 : Macroeconomic Aspects of International Trade and Finance: General
 O1 : Economic Development: General
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