The world was getting steadily richer, but the income distribution within countries was becoming steadily more unequal. Median incomes have been stagnant or even falling for the last 30 years, even as per capita GDP has grown.
为了回答这个问题，我们必须看看收入分配情况。世界在逐渐变富，但各国内部收入分配正在逐渐变得不平等。中位收入至少有30年不曾增长甚至有所下降，即使人均GDP在上升。这意味着富人攫走了生产率增长的大部分好处。