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

Luca Guerrini (), Akio Matsumoto () and Ferenc Szidarovszky ()
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Luca Guerrini: Polytechnic University of Marche
Akio Matsumoto: Chuo University
Ferenc Szidarovszky: Corvinus University

Decisions in Economics and Finance, 2018, vol. 41, issue 2, No 15, 379-397

Abstract: 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 (search for similar items in EconPapers)
JEL-codes: C62 E32 G12 (search for similar items in EconPapers)
Date: 2018
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Citations: View citations in EconPapers (1)

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DOI: 10.1007/s10203-018-0223-2

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