Bornschier, Volker. “Changing Income Inequality in the Second Half of the 20th Century ? Preliminary Findings and Propositions for Explanations”. Journal of World-Systems Research 8, no. 1 (February 26, 2002): 100–127. Accessed December 23, 2024. https://jwsr.pitt.edu/ojs/jwsr/article/view/278.