However, if the rise in average incomes in the US over the past thirty or forty years were more evenly distributed among the working population, and not just co

However, if the rise in average incomes in the US over the past thirty or forty years were more evenly distributed among the working population, and not just concentrated at the top, many people would probably choose to work much less. People work to support themselves, but I would wager that most would work less to support themselves if they could earn enough to do so.