Heterogeneous Fundamentalists and Imitative Processes
Developing a model with a switching mechanism, we show how complex dynamics can be generated even though heterogeneity arises among agents with the same trading rules (fundamentalists). We assume that there are two experts which are imitated by other operators. We show that (i) market instability and periodic, or even, chaotic price fluctuations can be generated; (ii) conditions exist under which an expert can drive another expert out of the market; (iii) two experts can survive when the dynamic system either generates a period doubling bifurcation around an attractor or when an homoclinic bifurcation leads to the merging of the two attractors (i.e. Dieci et al., 2001); (iv) a central role is played by the reaction to misalignment of both market makers and agents.
|Date of creation:||Nov 2006|
|Date of revision:||Nov 2006|
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49, Quantitative Finance Research Centre, University of Technology, Sydney.
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- Carl Chiarella & Roberto Dieci & Xue-Zhong He, 2005.
"Heterogeneous Expectations and Speculative Behaviour in a Dynamic Multi-Asset Framework,"
Research Paper Series
166, Quantitative Finance Research Centre, University of Technology, Sydney.
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