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Bertrand Crettez and Philippe Michel
 
''A notion of sufficient input''
( 2003, Vol. 4 No.37 )
 
 
In this paper, we study a notion of sufficient input, i.e. input that allows to produce at least one unit of output when the other inputs are fixed at any positive level. We show that such an input allows to produce any positive amount of production. The main property of sufficient inputs is as follows. A input is sufficient if and only if the unit cost goes to zero when its price goes to zero.
 
 
Keywords:
JEL: D2 - Production and Organizations: General
 
Manuscript Received : Nov 17 2003 Manuscript Accepted : Dec 17 2003

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