Geodesic
Stackelberg oligopoly games: the model and the $1$-concavity of its dual game
Contributions to game theory and management, Tome 7 (2014), pp. 34-50.

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This paper highlights the role of a significant property for the core of Stackelberg Oligopoly cooperative games arising from the non-cooperative Stackelberg Oligopoly situation with linearly decreasing demand functions. Generally speaking, it is shown that the so-called $1$-concavity property for the dual of a cooperative game is a sufficient and necessary condition for the core of the game to coincide with its imputation set. Particularly, the nucleolus of such dual $1$-concave TU-games agree with the center of the imputation set. Based on the explicit description of the characteristic function for the Stackelberg Oligopoly game, the aim is to establish, under certain circumstances, the $1$-concavity of the dual game of Stackelberg Oligopoly games. These circumstances require the intercept of the inverse demand function to be bounded below by a particular critical number arising from the various cost figures.
Keywords: Stackelberg oligopoly game; imputation set; core; efficiency; $1$-concavity. 
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Theo Driessen; Aymeric Lardon; Dongshuang Hou. Stackelberg oligopoly games: the model and the $1$-concavity of its dual game. Contributions to game theory and management, Tome 7 (2014), pp. 34-50. http://geodesic.mathdoc.fr/item/CGTM_2014_7_a4/

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