The intensity of competition is viewed here in the specific form of the competitive toughness exhibited by a firm towards its competitors, as reflected in its market strategies (prices and quantities). The competitive environment, resulting in particular from former choices, concerning entry,...

Cournot develops a notion of competition with two essential characteristics: producers?' non-cooperation and their coordination on a common price. Edgeworth adopts a cooperative approach while referring to another duality, recontracting and contract, which he associates with the antinomy...