Podobnik, Boris; Fu, Dongfeng; Jagric, Timotej; Grosse, Ivo - In: Physica A: Statistical Mechanics and its Applications 362 (2006) 2, pp. 465-470
We analyze the European transition economics and show that many time series of major indices exhibit (i) power-law correlations in their values, (ii) power-law correlations in their magnitudes and (iii) an asymmetric probability distribution. Applying the phase randomization procedure to these...