In a similar vein, this was published recently https://www.mckinsey.com/featured-insights/mckinsey-on-books/power-to-the-middle https://www.mckinsey.com/feature

In a similar vein, this was published recently https://www.mckinsey.com/featured-insights/mckinsey-on-books/power-to-the-middle https://www.mckinsey.com/featured-insights/mckinsey-on-books...