Ren, F.; Zheng, B.; Chen, P. - In: Physica A: Statistical Mechanics and its Applications 389 (2010) 14, pp. 2744-2750
A dynamic herding model with interactions of trading volumes is introduced. At time t, an agent trades with a probability, which depends on the ratio of the total trading volume at time t−1 to its own trading volume at its last trade. The price return is determined by the volume imbalance and...