According to this Oxfam report, the richest 85 persons in the world have more wealth than half of the world's population. "Rigging the System in Favor of the Few" and "Cascading Privilege" are titles of two sections in the report.
to read the 32-page report "Working for the Few: Political Capture and Economic Inequality," click on
http://www.oxfam.org/en/policy/working-for-the-few-economic-inequality
Original: Oxfam's 2014 Report: Working for the Few: Political Capture and Economic Inequality