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Characteristic time scales of tick quotes on foreign currency markets: an empirical study and agent-based model Export

by: A. H. Sato
The European Physical Journal B - Condensed Matter and Complex Systems, Vol. 50, No. 1. (1 March 2006), pp. 137-140.

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Abstract.  Power spectrum densities for the number of tick quotes per minute (market activity) on three currency markets (USD/JPY, EUR/USD, and JPY/EUR) for periods from January 1999 to December 2000 are analyzed. We find some peaks on the power spectrum densities at a few minutes. We develop the double-threshold agent model and confirm that stochastic resonance occurs for the market activity of this model. We propose a hypothesis that the periodicities found on the power spectrum densities can be observed due to stochastic resonance.


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