As a proxy for a Pareto-efficient market economy, we adopt the two-party Nash Bargaining model featuring a qualitative bias in the treatment of the contributions of the parties. The Piketty inequality here is the share in total welfare accruing to the richer party over total welfare attained at...

Using two-step system-GMM on a panel data of 105 economies over the period 1987-2016, we present formal statistical evidence that Federalism is a strong predictor of greater income inequality in developing economies. It is also a strong predictor of higher poverty incidence and poverty severity...