This paper discusses the theory and practice of tax design to achieve an efficient and equitable outcome, id est in support of inclusive growth. It starts with a discussion of the key principles from tax theory to guide practical tax design. Then, it elaborates on more granular tax policy,...

This paper explores the revenue-raising aspect of progressive taxation and derives, on the basis of a simple model, the optimal degree of tax progressivity where the tax revenue is used exclusively to finance (perfectly) targeted transfers to the poor. The paper shows that not only would it be...

We analyze microdata from Mexico's survey on household income and expenditures (ENIGH) to study the evolution of income inequality in Mexico over 2004-16, identify its sources, and investigate how it was affected by government social policy. We find evidence of only a small decline in inequality...

Italy’s system of social protection has come under criticism for being fragmented and excessively skewed toward pensioners and “insiders.” After setting up a consolidated presentation of the social security accounts, this paper provides an empirical assessment of the effectiveness of the...

Throughout the world, the great popularity of programs to protect those who may fall into poverty stands in contrast with the weakness of policies aimed at helping individuals who are already poor to overcome long-term poverty. In the paper, an OLG model with persistent poverty and limited...

In Jordan, a system of general food subsidies became untenable in budgetary terms, with a sharp devaluation of the dinar in the late 1980s. A shift from a general subsidy system to limited rations would greatly reduce budgetary costs and minimize adverse effects on the poor. To reduce subsidies,...

In designing policy measures, including possible social safety nets, targeted to the poor, it is important to fully understand the efficiency implications of these measures. There is abundant macroeconomic literature on their negative effects on the poor’s work effort. The literature, however,...

The demographic characteristics of different regions in the former Soviet Union influence the nature of poverty in the newly successor independent states of the FSU. Despite a common policy inheritance, major adjustments are needed in the major social protection instruments to reflect...

This paper reviews the structure and trends of the U.S. welfare system and the U.S. Administration’s reform proposals. It shows that, despite the attention the program receives, the welfare program is actually quite small and has experienced moderate rates of growth. However, the system does...

Employment is key to combating poverty. Thus, detractors of social assistance programs argue that they create disincentives to work. While there is substantial evidence showing limited effects of these programs on overall labor supply, the jury is still out with respect to their impact on formal...