York G. Beijing to Target Rural Poverty // Globe and Mail. Toronto. 2006. March 6; Rohter L. A Widening Gap Erodes Argentina's Egalitarian Image // New York Times. 2006. December 25; Pioneering Study Shows Richest Two Percent Own Half World Wealth. 2006. December 5 // World Institute for Development Economics Research. Press release, www.wider.unu.edu; Anderson S. et al. Executive Excess 2006; Webb J. Class Struggle.