Open dynamic behaviour of financial markets |
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| Authors: | F. F. Gong F. X. Gong F. Y. Gong |
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| Affiliation: | (1) Department of Physics, East China Normal University, 3663 North Zhongshan Road, Shanghai, 200062, P.R. China;(2) Department of Communication Engineering, Civil Aviation University of China (CAUC), Tianjin, 300300, P.R. China;(3) CIC (Deutschland) AG, Hinrichsenstr. 25, 20535 Hamburg, Germany |
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| Abstract: | Open dynamic behaviour of financial markets with internal interactions between agents and with external “fields” from other systems are investigated using the approach of Grossman and Stiglitz for inefficient markets, and Keynes for interference of the market using physics of finance (referred to hereafter as phynance). The simulation results indicate that the NYSE data analyzed in Plerou, V. et al., Nature 421, 130 (2003) can be fitted by an equation of order parameter Φ and local deviation R of type: -(R+0.03) Φ+ 0.6 Φ3 + 0.02 = 0, which is shown to be in remarkable agreement with Plerou's data. |
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| Keywords: | 89.65.Gh Economics econophysics, financial markets, business and management 87.23.Ge Dynamics of social systems 05.45.-a Nonlinear dynamics and chaos (see also section 45 Classical mechanics of discrete systems for chaos in fluid dynamics, see 47.52.-j) 89.75.Fb Structures and organization in complex systems |
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