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Decisions in Economics and Finance

, Volume 41, Issue 2, pp 379–397 | Cite as

A heterogeneous agent model of asset price dynamics with two time delays

  • Luca Guerrini
  • Akio MatsumotoEmail author
  • Ferenc Szidarovszky
Article

Abstract

This study constructs a heterogeneous agents model of a financial market in a continuous-time framework. There are two types of agents, fundamentalists and chartists. The former follows the traditional efficiency market theory and has a linear demand function, whereas the latter experiences delays in the formation of price trends and possesses a S-shaped demand function. The main feature of this study is a theoretical investigation on the effects caused by two time delays in a price adjustment process. In particular, two main results are demonstrated: One is that the stability switching curves are analytically derived, and the other is that the stability losses and gains can repeatedly occur when the shape of the curves are meandering. Although it is well known that a time delay has a destabilizing effect, these results imply that multiple delays can stabilize and destabilize a market price generating persistent deviations from the stationary price.

Keywords

asset price henerogeneous agent model two time delays bifurcation dynamic model 

JEL Classification

C62 E32 G12 

Notes

Acknowledgements

Funding was provided by Japan Society for the Promotion of Science (Grant No. 16K03556), MEXT supported program for the strateguc research foundation at private universities 2013–2017, Joint Research Grant Chuo University.

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Copyright information

© Associazione per la Matematica Applicata alle Scienze Economiche e Sociali (AMASES) 2018

Authors and Affiliations

  • Luca Guerrini
    • 1
  • Akio Matsumoto
    • 2
    Email author
  • Ferenc Szidarovszky
    • 3
  1. 1.Polytechnic University of MarcheAnconaItaly
  2. 2.Chuo UniversityHachiojiJapan
  3. 3.Corvinus UniversityBudapestHungary

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