My understanding was that a large part of the book was about wealth inequality & persistence over time. My assumption was that income (flow / p&l) & wealth (st

My understanding was that a large part of the book was about wealth inequality & persistence over time. My assumption was that income (flow / p&l) & wealth (stock / balance sheet) are correlated. By pointing about churn in income & some of the causes of income inequality - we could have a different perspective on the wealth inequality question. Also - the HBR review the article references talks about the income question: Since the 1970s, though, the U.S. has seen a sharp and unparalleled increase in the percentage of income going to the top 1% and especially 0.1%.