The grounds for time dependent market potentials from dealers’ dynamics
We apply the potential force estimation method to artificial time series of market price produced by a deterministic dealer model. We find that dealers’ feedback of linear prediction of market price based on the latest mean price changes plays the central role in the market’s potential force. When markets are dominated by dealers with positive feedback the resulting potential force is repulsive, while the effect of negative feedback enhances the attractive potential force.
PACS89.65.Gh Economics; econophysics, financial markets, business and management 89.75.Fb Structures and organization in complex systems 87.23.Ge Dynamics of social systems
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