Working Paper
Towards greater poverty reduction in Zambia
A large share of the population in Zambia is living below the national poverty line. To reduce poverty, in 2019, the government initiated the Cash Plus reform, which aims to build on the existing Social Cash Transfer as a floor benefit with...
Journal Article
The impact of indirect tax on income distribution and poverty in Tanzania
This study analyses the impacts of indirect tax benefits policy reforms on income distribution and poverty in Tanzania by applying a standard static microsimulation model TAZMOD v1.8. The simulations model two indirect tax reforms involving changes...
Blog
Studying COVID-19 through the lens of microsimulation: The role of tax and benefit policies in alleviating poverty and inequality
As the crisis caused by the COVID-19 pandemic evolves, developing nations are struggling to deliver economic assistance and public services to their...
Working Paper
Analysis of the distributional effects of COVID-19 and state-led remedial measures in South Africa
This paper explores the impact of the first wave of the COVID-19 pandemic in South Africa on income poverty and inequality in South Africa. Using a static tax–benefit microsimulation model with input datasets that were adjusted to reflect people’s...
Technical Note
How to implement sub-national poverty lines in a SOUTHMOD country model using conditional constants
This note describes how to incorporate sub-national poverty lines into a SOUTHMOD country model using conditional constants within the constants function in such a way that the Statistics Presenter can generate national-level poverty statistics. The...
Technical Note
Exploring the quality of income data in two South African household surveys which underpin SAMOD
This note has set out several data processes that have been undertaken using the income data in dataset(s) that underpin SAMOD. Section 1 describes various data-cleaning steps that were undertaken when preparing the LCS 2014/15 as an underpinning...
Journal Special Issue
SOUTHMOD: Modelling Tax-benefit Systems in Developing Countries
Social protection has attracted increasing interest in developing countries in recent decades and policies have been initiated in all developing regions. Cash transfer policies are already in place in many African countries, but their coverage is...
Working Paper
Financial disincentives to formal work
The aim of this paper is to quantify the financial cost that informal workers would incur in the event of entering formality, accounting for potential earnings gains upon entry. To do so, we use representative microdata from Ecuador and Colombia...
Working Paper
Microsimulation analysis of the impact of indirect tax benefits on income distribution and poverty alleviation in Tanzania
This paper analyses the impacts of indirect tax policy reforms on income distribution and poverty in Tanzania by applying a standard static microsimulation model TAZMOD v1.8. The simulations model two indirect tax reforms involving changes to the...
Technical Note
Dealing with the oversimulation of taxes and benefits in SOUTHMOD microsimulation models
SOUTHMOD tax-benefit microsimulation models may in some cases oversimulate taxes or benefits, generating greater expenditure, a greater number of beneficiaries, or greater amounts of taxes or taxpayers than reported in administrative data. Drawing on...
Blog
SOUTHMOD family extended: Welcome to the three new Latin American teams
How would progressive income taxation affect income inequality in Bolivia? What are the costs and benefits of implementing a state pension in Colombia...
Background Note
Introducing PITMOD – a microsimulation model of South Africa’s personal income tax rules
Over 60 years ago, Guy Orcutt and colleagues pioneered the use of microsimulation models in the social sciences to analyse the impact of social and economic policies. Although computational and data constraints initially hampered progress, these...
Blog
GHAMOD launch and training: A tax-benefit microsimulation model for Ghana
Better social protection coverage and greater benefits in developing countries would certainly be welcomed by many. More and better forms of social...
Working Paper
The distributional impact of tax and benefit systems in six African countries
This paper assesses the effects of public policies on income taxes and benefits in six African countries. The comparative analysis focuses on the distribution and composition of incomes and assesses the effect of these policies on inequality and...