This is an interesting read that surveys a handful of up and coming countries. I wonder if concentration of wealth within superpower countries like ours leads to the rise of other country’s relative standing (and consequently, a lowering of the superpower relative standing). That’s some food for thought….
Dr. Moore
Globalization Is Narrowing The Wealth Gap, One Nation at a Time
https://www.bloomberg.com/view/articles/2019-09-24/globalization-has-cut-inequality-between-rich-and-poor-countries