Observation of Two Types of Behaviors of Financial Bubbles and the Related Higher-Order Potential Forces(Financial and Consumer Markets,Econophysics-Physical Approach to Social and Economic Phenomena-)
Market prices are known to be well described by the random walk model in a time-dependent potential force whose center is given by the trace of the random walker [Physica A 370 (2006), 91]. We analytically show that the higher-order potential force determines the dynamic price behaviors of the single-exponential growth and the double exponential growth. We confirm the existence of such price behaviors in real financial data and we observe the higher-order potential forces in some periods.
Progress of theoretical physics. Supplement
[List of Volumes]
Progress of theoretical physics. Supplement (179), 8-16, 2009-05-22
[Table of Contents]
The Physical Society of Japan (JPS)
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