Profit‐enhancing entries in mixed oligopolies

Dynamical Control in Oligopolies

This paper examines the controllability of dynamic oligopoly models. Both discrete and continuous time scales are considered, and sufficient and necessary conditions are derived for the complete controllability of the outputs of the fims. Copyright © 2005 IFAC

Profit loss in Cournot oligopolies

We consider a Cournot oligopoly model where multiple suppliers (oligopolists) compete by choosing quantities. We compare the aggregate profit achieved at a Cournot equilibrium to the maximum possible, which would be obtained if the suppliers were to collude. We establish a lower bound on the profit of Cournot equilibria in terms of a scalar parameter derived from the inverse demand function and...

Game Theory: Oligopolies

In a survey of oligopoly models, techniques of game theory are adapted to find market equilibria and understand deciding forces for firms. We look at situations with increasing complexity, to develop a better understanding of the usefulness of the game theory in market analysis. Initially, we explore the basics of game theory. Then, following an introduction of basic microeconomics, we explore ...

WTO, Free Trade, and Oligopolies

Regulating termination charges in asymmetric oligopolies

This paper extends a standard Hotelling model to three firms and analyzes the competitive effect of asymmetric regulation on mobile and fixed termination charges. In the presence of fixed-mobile substitution, above-cost mobile termination charge creates a trade-off on the mobile network’s profit: i.e., (i) reducing retail profit by strengthening competition for subscribers (‘‘price competition ...