Malevergne, Yannick; Sornette, Didier - 2016
Piketty's Capital in the Twenty-First Century posits the return r on capital to be larger than the economic growth rate …. We show that increasing inequality promotes increasing gap r - g, and vice-versa, because capital is a cumulative … quantity that claims a finite fraction of the total output in the presence of fractional consumption of the return on capital …