A unified framework for the pareto law and Matthew effect using scale-free networksM.-B. Hu, W.-X. Wang, R. Jiang, Q.-S. Wu, B.-H. Wang and Y.-H. WuEur. Phys. J. B, 53 2 (2006) 273-277DOI: https://doi.org/10.1140/epjb/e2006-00365-8