Chapter 11
Oligopoly
Concurrence oligopolistique
An oligopoly is a market structure characterized by large firms that dominate the market, offering similar or identical products. This concentration of ...
Type d’oligopole : collusion
A collusive oligopoly occurs when firms in an oligopolistic market—where only a few companies dominate—agree to work together instead of ...
Type d’oligopole : Non collusoire
A non-collusive oligopoly is a market structure where only a few firms dominate but compete against each other. In this setting, firms are independently ...
L’oligopole et ses pratiques déloyales
An oligopoly, where market power is concentrated among a few entities, can lead to unfair strategies that disrupt the competitive landscape and reduce ...
Politiques publiques sous oligopole : lois antitrust
Public policy plays a crucial role in regulating the behavior of firms within oligopolistic markets to protect consumers and encourage fair competition. ...
Différencier les types de marchés
Market structures are classified by distinct characteristics that influence how firms compete and set prices.
In the realm of perfect competition, ...
Concours Bertrand
In a Bertrand oligopoly, companies compete by strategically setting prices rather than engaging in a continuous price-cutting war. Each company ...
Équilibre de Nash d’un oligopole de Bertrand
A Bertrand oligopoly occurs when a few firms compete by strategically setting prices rather than lowering them indefinitely. In this model, firms sell ...
Concours Cournot
Firms indirectly determine price through output choices, rather than avoiding price-setting altogether. Each firm assumes its competitor’s production ...
L’équilibre dans un oligopole de Cournot
In the Cournot model, businesses compete based on the assumption that each firm chooses its production quantity by presuming its rivals’ output levels. ...
Concours de Stackelberg
The Stackelberg model illustrates a type of oligopoly where a leading firm sets its production quantity, anticipating the reaction of follower firms, who ...
Stackelberg et l’avantage du premier arrivé
The Stackelberg model explains how being the first mover in a market gives a firm a competitive edge. The first-mover advantage is the benefit of ...
Produits différenciés : Concours Bertrand
The Bertrand model with differentiated products explains how companies compete on both price and perceived value. The classic Bertrand model assumes ...
L’équilibre dans un marché de produits différenciés Bertrand
In the Bertrand model with differentiated products, firms compete on price while offering similar but not identical goods. Differentiation softens price ...
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