Oligopolistic Market Equilibrium

1999 ◽  
pp. 211-241
Author(s):  
Anna Nagurney
Keyword(s):  
Market Equilibrium ◽  
Oligopolistic Market

A Continuous Approach to Oligopolistic Market Equilibrium

1990 ◽  
Vol 38 (6) ◽  
pp. 1045-1051 ◽  
Author(s):  
Sjur D. Flåm ◽  
Adi Ben-Israel
Keyword(s):  
Market Equilibrium ◽  
Oligopolistic Market ◽  
Continuous Approach

scholarly journals Advanced results on variational inequality formulation in oligopolistic market equilibrium problem

Filomat ◽  
2012 ◽  
Vol 26 (5) ◽  
pp. 935-947 ◽  
Author(s):  
Annamaria Barbagallo
Keyword(s):  
Variational Inequality ◽  
Equilibrium Problem ◽  
Lipschitz Continuity ◽  
Dynamic Equilibrium ◽  
Market Equilibrium ◽  
Equilibrium Solutions ◽  
Evolutionary Variational Inequality ◽  
Oligopolistic Market ◽  
Continuity Result ◽  
Discretization Procedure

The aim of the paper is to study the regularity of the solution to the evolutionary variational inequality governing the dynamic oligopolistic market equilibrium problem in presence of production excesses. More precisely, we obtain a Lipschitz continuity result with respect to time for such a solution. Moreover, we introduce a discretization procedure for computing dynamic equilibrium solutions and we provide a numerical example.

Duality theory for the dynamic oligopolistic market equilibrium problem

Optimization ◽  
2011 ◽  
Vol 60 (1-2) ◽  
pp. 29-52 ◽  
Author(s):  
Annamaria Barbagallo ◽  
Antonino Maugeri
Keyword(s):  
Equilibrium Problem ◽  
Duality Theory ◽  
Market Equilibrium ◽  
Oligopolistic Market

scholarly journals Time-Dependent Variational Inequality for an Oligopolistic Market Equilibrium Problem with Production and Demand Excesses

2012 ◽  
Vol 2012 ◽  
pp. 1-35 ◽  
Author(s):  
Annamaria Barbagallo ◽  
Paolo Mauro
Keyword(s):  
Variational Inequality ◽  
Equilibrium Problem ◽  
Variational Formulation ◽  
Market Equilibrium ◽  
Equilibrium Solutions ◽  
Equilibrium Conditions ◽  
Infinite Dimensional ◽  
Oligopolistic Market ◽  
Existence And Regularity Results ◽  
Regularity Results

The paper is concerned with the variational formulation of the oligopolistic market equilibrium problem in presence of both production and demand excesses. In particular, we generalize a previous model in which the authors, instead, considered only the problem with production excesses, by allowing also the presence of demand excesses. First we examine the equilibrium conditions in terms of the well-known dynamic Cournot-Nash principle. Next, the equilibrium conditions will be expressed in terms of Lagrange multipliers by means of the infinite dimensional duality theory. Then, we show the equivalence between the two conditions that are both expressed by an appropriate evolutionary variational inequality. Moreover, thanks to the variational formulation, some existence and regularity results for equilibrium solutions are proved. At last, a numerical example, which illustrates the features of the problem, is provided.

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