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Abstract
After being made, a technical rule related to a geographic protection creates a kind of institution. This one is not
neutral about the development, the technical choices, innovation and economic petiormances of firms to which it is
applied.
This paper deals with the interaction between technical rule and firms profitability. It follows three parts :
1) Using theoretic tools from other works (Marty F., 1998), firms are defined and characterised by a type of
rationality and an efficiency level,
2) technical rule is defined by its interaction and consistency about each type of rationality,
3) the interaction between technical rule and real firms is studied : the dynamic and profitability creation possibilities
are cleared.
After this analysis phase, a conclusion is worked out : negotiations, constructions and application of technical rule is
never a red fire or a simple norm. Even about the petiormances and direct utilisation by the firm, phenomena are
complex. We just can try to understand and advise professionals. For each production area, some conclusions and
perspectives are drawn and purposed to local firms.