The ideas of Keynes and Piketty on inequality are presented. Both fear that the market system tends to produce too much inequality and if it spirals too far out of control, the consequences could be traumatic. Measuring inequality is difficult and it is hard to pin down exactly what levels of inequality are acceptable or desirable. A screencast uses an Excel workbook to explain the Solow Model and Piketty's argument that K/Y has a steady-state that depends on a handful of parameters, especially g.
