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		| William  Cheung  | 
	
	
		| Waseda University | 
	
	
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		| 1-6-1 Nishi-Waseda | 
	
	
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		| Tokyo, Shinjuku-ku 169-8050 | 
	
	
		| Japan | 
	
	
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		| william.c@aoni.waseda.jp | 
	
	
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		JEL Areas: C8 : Data Collection and Data Estimation Methodology; Computer Programs: General F4 : Macroeconomic Aspects of International Trade and Finance: General |