https://www.stlouisfed.org/on-the-economy/2023/aug/how-do-rich-become-stay-weal… Created Mon, 21/08/2023 - 19:30 Updated Mon, 21/08/2023 - 19:30 An analysis of the wealthiest 0.1% in Norway found a mix of self-made entrepreneurs and those who began their careers with significant wealth invested in high-return private firms.