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Emergence of universal scaling in financial markets from mean-field dynamics
universal scaling financial markets mean-field dynamics
2010/10/20
Collective phenomena with universal properties have been observed in many complex systems with a large number of components. Here we present a microscopic model of the emergence of scaling behavior i...
Universal Fluctuations of AEX index
Econophysics Interdisciplinary Statistics Financial Market
2010/10/19
We compute the analytic expression of the probability distributions F{AEX,+} and F{AEX,-} of the normalized positive and negative AEX (Netherlands) index daily returns r(t). Furthermore, we define the...
We compute the analytic expression of the probability distributions F{FTSE100,+} and F{FTSE100,-} of the normalized positive and negative FTSE100 (UK) index daily returns r(t). Furthermore, we define ...
Universal and nonuniversal allometric scaling behaviors in the visibility graphs of world stock market indices
Universal nonuniversal world stock market indices
2010/11/2
The investigations of financial markets from a complex network perspective have unveiled many
phenomenological properties, in which the majority of these studies map the financial markets into one co...
Universal Behavior of Extreme Price Movements in Stock Markets
Universal Behavior Extreme Price Movements Stock Markets
2010/11/3
Many studies assume stock prices follow a random process known as geometric Brownian motion.
Although approximately correct, this model fails to explain the frequent occurrence of extreme price movem...