The Chaos Dynamic of Multiproduct Cournot Duopoly Game with Managerial Delegation

Although oligopoly theory is generally concerned with the single-product firm, what is true in the real word is that most of the firms offer multiproducts rather than single products in order to obtain cost-saving advantages, cater for the diversity of consumer tastes, and provide a barrier to entry...

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Main Authors: Fang Wu, Junhai Ma
Format: Article
Language:English
Published: Wiley 2014-01-01
Series:Discrete Dynamics in Nature and Society
Online Access:http://dx.doi.org/10.1155/2014/206961
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author Fang Wu
Junhai Ma
author_facet Fang Wu
Junhai Ma
author_sort Fang Wu
collection DOAJ
description Although oligopoly theory is generally concerned with the single-product firm, what is true in the real word is that most of the firms offer multiproducts rather than single products in order to obtain cost-saving advantages, cater for the diversity of consumer tastes, and provide a barrier to entry. We develop a dynamical multiproduct Cournot duopoly model in discrete time, where each firm has an owner who delegates the output decision to a manager. The principle of decision-making is bounded rational. And each firm has a nonlinear total cost function due to the multiproduct framework. The Cournot Nash equilibrium and the local stability are investigated. The tangential bifurcation and intermittent chaos are reported by numerical simulations. The results show that high output adjustment speed can lead to output fluctuations which are characterized by phases of low volatility with small output changes and phases of high volatility with large output changes. The intermittent route to chaos of Flip bifurcation and another intermittent route of Flip bifurcation which contains Hopf bifurcation can exist in the system. The study can improve our understanding of intermittent chaos frequently observed in oligopoly economy.
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spelling doaj-art-458dc065ce8e4bc486ffaef29e0fce8f2025-08-20T02:37:52ZengWileyDiscrete Dynamics in Nature and Society1026-02261607-887X2014-01-01201410.1155/2014/206961206961The Chaos Dynamic of Multiproduct Cournot Duopoly Game with Managerial DelegationFang Wu0Junhai Ma1College of Management and Economics, Tianjin University, Tianjin 300072, ChinaCollege of Management and Economics, Tianjin University, Tianjin 300072, ChinaAlthough oligopoly theory is generally concerned with the single-product firm, what is true in the real word is that most of the firms offer multiproducts rather than single products in order to obtain cost-saving advantages, cater for the diversity of consumer tastes, and provide a barrier to entry. We develop a dynamical multiproduct Cournot duopoly model in discrete time, where each firm has an owner who delegates the output decision to a manager. The principle of decision-making is bounded rational. And each firm has a nonlinear total cost function due to the multiproduct framework. The Cournot Nash equilibrium and the local stability are investigated. The tangential bifurcation and intermittent chaos are reported by numerical simulations. The results show that high output adjustment speed can lead to output fluctuations which are characterized by phases of low volatility with small output changes and phases of high volatility with large output changes. The intermittent route to chaos of Flip bifurcation and another intermittent route of Flip bifurcation which contains Hopf bifurcation can exist in the system. The study can improve our understanding of intermittent chaos frequently observed in oligopoly economy.http://dx.doi.org/10.1155/2014/206961
spellingShingle Fang Wu
Junhai Ma
The Chaos Dynamic of Multiproduct Cournot Duopoly Game with Managerial Delegation
Discrete Dynamics in Nature and Society
title The Chaos Dynamic of Multiproduct Cournot Duopoly Game with Managerial Delegation
title_full The Chaos Dynamic of Multiproduct Cournot Duopoly Game with Managerial Delegation
title_fullStr The Chaos Dynamic of Multiproduct Cournot Duopoly Game with Managerial Delegation
title_full_unstemmed The Chaos Dynamic of Multiproduct Cournot Duopoly Game with Managerial Delegation
title_short The Chaos Dynamic of Multiproduct Cournot Duopoly Game with Managerial Delegation
title_sort chaos dynamic of multiproduct cournot duopoly game with managerial delegation
url http://dx.doi.org/10.1155/2014/206961
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