Ugalde, L. C. U. C. (2002). Robert H. Bates, Prosperity and Violence, NY, W. W. Norton, 2001, 144, p. Hernando de Soto, The Mystery of Capital: Why Capitalism Triumphs in the West and Fails Everywhere Else? NY, Basic Books, 2000, 245p. David S. Landers, The Wealth and Prosperity of Nations: Why Some are so rich and some so poor, NY, W. W. Norton, 1998, 544 p. Política Y Gobierno, 9(1), 247-251. http://www.politicaygobierno.cide.edu/index.php/pyg/article/view/378