Duclos, Jean-Yves; Makdissi, Paul; Wodon, Quentin - In: International Economic Review 49 (2008) 4, pp. 1505-1537
This article proposes graphical methods to determine whether commodity tax changes are "socially improving," in the sense of improving social welfare or decreasing poverty for large classes of social welfare and poverty indices. It also shows how estimators of critical poverty lines and economic...