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		| David  Levine and Balázs  Szentes | 
	
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		| ''Can A Turing Player Identify Itself?'' | 
	
		| ( 2006, Vol. 1 No.1 ) | 
	
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		| We show that the problem of whether two Turing Machines are functionally equivalent is undecidable and explain why this is significant for the theory of repeated play and evolution. | 
	
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		| Keywords: Economic Theory | 
	
		| JEL: A1 - General Economics: General Econ
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		| | Manuscript Received : Mar 22 2006 |  | Manuscript Accepted : Mar 23 2006 | 
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