What understanding of capital for tomorrow?.

This paper discusses the thesis put forward by Piketty (2014a) stressing the risk of an explosion of wealth inequality because capital accumulates faster than labor income in several countries, especially in the U.US. Although the overall empirical conclusion on the rise of inequalities is indisputable, I point out that the economic modeling underlying this approach exhibits several important shortcomings. Moreover, there are more effective policy recommendations to fight against inequality than the one highlighted in the book —namely, a world-wide global tax on capital.