Global Hopf Bifurcation Analysis for a Time-Delayed Model of Asset Prices

Ying Qu and Junjie Wei

Discrete Dynamics in Nature and Society, 2010, vol. 2010, 1-17

Abstract:

A time-delayed model of speculative asset markets is investigated to discuss the effect of time delay and market fraction of the fundamentalists on the dynamics of asset prices. It proves that a sequence of Hopf bifurcations occurs at the positive equilibrium , the fundamental price of the asset, as the parameters vary. The direction of the Hopf bifurcations and the stability of the bifurcating periodic solutions are determined using normal form method and center manifold theory. Global existence of periodic solutions is established combining a global Hopf bifurcation theorem with a Bendixson's criterion for higher-dimensional ordinary differential equations.

Date: 2010
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnddns:432821

DOI: 10.1155/2010/432821

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