“….One possible explanation of this is that the skills and productivity of these top managers rose suddenly in relation to those of other workers. Another explanation, which to me seems more plausible…is that these top managers by and large have the power to set their own remuneration, in some cases without limit and in many cases without any clear relation to their individual productivity….” (Piketty, 24)
Thomas Piketty, Capital in the Twenty-First Century (Cambridge, MA: Harvard University Press, 2013).