Thewissen, Stefan, Lane Kenworthy, Brian Nolan, Max Roser, and Tim Smeeding. “Rising Income Inequality and Living Standards in OECD Countries: How Does the Middle Fare?”. Journal of Income Distribution® 27, no. 2 (May 15, 2018): 1–23. Accessed November 21, 2024. https://jid.journals.yorku.ca/index.php/jid/article/view/40351.