Working Paper
Exclusive growth?
Despite South Africa’s need for inclusive economic growth, we find that the income trajectories of the rich continue to diverge from the rest of the income distribution. We combine household survey data and tax data (which, unlike household survey...
Blog
Working together to better understand how COVID-19 affects poverty and inequality
In summer 2020 the SOUTHMOD team set out, with partners, to analyse the impact of government policies on protecting households from getting poorer and...
Working Paper
The effect of fiscal drag on income distribution and work incentives
Although the effect of fiscal drag is well studied in the industrialized world, empirical evidence from developing economies remains limited. Against this backdrop, this study aims to explore the effect of fiscal drag on income distribution and work...
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...
Technical Note
WIID Companion (March 2021): gobal income distribution
This document is part of a series of technical notes describing the compilation of a new companion database that complements the UNU-WIDER World Income Inequality Database. It aims at facilitating the analysis of inequality as well as progress in...
Working Paper
Trends in global inequality using a new integrated dataset
This paper presents preliminary evidence of the annual global income distribution since 1950 using a new integrated dataset that aggregates standardized country income distributions at the percentile level estimated from various sources in the World...
Working Paper
Simulating personal income tax in South Africa using administrative data and survey data
In this paper we explore South Africa’s personal income tax system using two microsimulation models. The first, SAMOD, simulates personal income tax and social benefits using a dataset derived from the nationally representative National Income...
Technical Note
WIID Companion (May 2021): global income distribution
This document is part of a series of technical notes describing the compilation of a new companion database that complements the World Income Inequality Database (WIID). This technical note describes the construction of the global distribution...
Working Paper
Re-examining the Brazilian South–Northeast labour income gap
The purpose of this article is to provide new evidence about the sources of regional income inequalities in Brazil along the wage distribution, taking into account the regional differentials in purchasing power. We use a unique and recent regional...
Working Paper
Taxation and income distribution in Myanmar
Despite major public finance reform efforts over the last decade, Myanmarese public finances continue to be characterized by relative weakness in revenue collection, budget execution, and long-term sustainability. Myanmar is therefore in need of...
Working Paper
Labour market projections and time allocation in Myanmar
Myanmar has, in recent years, strengthened its focus on human capital as a development pillar, and introduced legislation and adopted conventions on child labour. But child exploitation continues, including use of forced labour by the military and...
Working Paper
Changes in the Distribution of Wealth in China 1995-2002
This paper investigates some major changes in the wealth distribution in China using the data from two national household surveys conducted in 1995 and 2002. The surveys collected rich information on household wealth and its components, enabling a...
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...
Working Paper
What sustains informality?
We consider two vertical links between informal- and formal-sector firms and study their implications. In one case, the final products produced by the formal- and informal-sector firms are vertically differentiated in terms of quality, and the size...
Research Brief
Does exchange rate volatility amplify existing inequalities in South Africa?
Even though poverty and inequality have been of overriding concern in South Africa’s development policies and programmes since its democratization in 1994, measures of poverty, inequality, and related phenomena in the country do not show a clear...
Journal Article
Exclusive growth?
Despite South Africa’s need for inclusive economic growth, we find that the top income percentiles continue to diverge from the rest of the income distribution. We compare household survey data and tax data (which, unlike household survey data...
Working Paper
The mitigating role of tax and benefit rescue packages for poverty and inequality in Africa amid the COVID-19 pandemic
This paper analyses the distributional effects of the COVID-19 pandemic and related tax-benefit measures in 2020 in a cross-country comparative perspective for five African countries: Ghana, Mozambique, Tanzania, Uganda, and Zambia. We first estimate...
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...
Working Paper
Global Inequality
This paper examines the nature and extent of global and regional income distribution and inequality using the most recent country level data on income distribution drawn from World Bank and UNU-WIDER studies for the period 1993-2000. The methodology...
Blog
Poverty and Inclusive Growth in the Light of the Quintile Income Statistic
by
Sreenivasan Subramanian
December 2013
9 December 2013 S. Subramanian 1 Introduction It appears that the World Bank is planning to maintain and disseminate systematic information on a...
Blog
What Does it Mean to be in the Middle?: Mobility and Vulnerability in Latin America and the Caribbean
by
Luis Felipe López-Calva
January 2013
Luis-Felipe Lopez-Calva [1] The concept of social class and specifically middle class, has been widely discussed in sociology and other social...
Blog
Millennium Development Goals in Turbulent Times: Emerging Challenges for Post-2015 MDGs
by
Rolph van der Hoeven, Peter van Bergeijk
June 2012
Rolph van der Hoeven and Peter van Bergeijk One of the most important trends that emerged since the launch of the Millennium Development Goals (MDGs)...
Research Brief
A colonial legacy?
The presence of European colonial powers in Africa has left a long-lasting legacy that has severely impacted their development trajectories. But what are the lingering effects of colonization on economic performance, in particular with regard to...
Working Paper
Consistent Testing for Poverty Dominance
If uncertainty exists over the exact location of the poverty line or over which measure to use to compare poverty between distributions, one may want to check whether poverty dominance holds. We develop a consistent statistical test to test the null...
Working Paper
The Microeconomics of Inequality, Poverty and Market Liberalizing Reforms
This paper illustrates how the use of microeconometric techniques can be used to uncover the micro dynamics behind macro shocks. Using Mexican micro data we find out that—controlling for everything else—between 1994 and 1998 returns to personal...
Working Paper
The world’s two new middles
This paper discusses the emergence of two new middles since the Cold War, namely middle-income countries and people living above absolute poverty but below a security-from poverty-line. The paper sets out what has happened. It is argued that although...
Working Paper
The Relationship Between Income Inequality, Poverty, and Globalization
This paper introduces two composite indices of globalization. The first is based on the Kearney/Foreign Policy magazine and the second is obtained from principal component analysis. They indicate the level of globalization and show how globalization...
Working Paper
A Decomposition of Poverty Trends Across Regions
The impact of globalization on global and local inequality is hotly debated in the recent literature. This study considers the separate issue of the impact of globalization on poverty through quantifying explicitly the responsiveness of poverty to...
Working Paper
The wage-setting power of firms
Using administrative tax records from South Africa for the period 2011–14, I find that firm wage premia explain 25 per cent of the total wage variance, 60 per cent of the gender wage gap, and 40 per cent of the gap between workers in the middle and...
Working Paper
Does Inequality Lead to Conflict?
This paper presents a simple model to show how distributional concerns can engender social conflict. We have a two period model, where the cost of conflict is endogenous in the sense that parties involved have full control over how much conflict they...
Working Paper
The Urban-Rural Income Gap and Inequality in China
Using new household survey data for 1995 and 2002, we investigate the size of China’s urban-rural income gap, the gap’s contribution to overall inequality in China, and the factors underlying the gap. Our analysis improves on past estimates by using...
Working Paper
Estimating Income Inequality in China Using Grouped Data and the Generalized Beta Distribution
There are two main types of data sources of income distributions in China: household survey data and grouped data. Household survey data are typically available for isolated years and individual provinces. In comparison, aggregate or grouped data are...
Working Paper
Development Strategies and Regional Income Disparities in China
This paper argues that the regional income gap of China is endogenously determined by its long-term economic development strategy. Development strategies can be broadly divided into two mutually exclusive groups: (i) the comparative advantage-defying...
Working Paper
Income Inequality in China and its Influencing Factors
While the average level of income per capita has increased in China rapidly, income inequality is becoming a more serious problem that may threaten social stability and the sustainability of economic development. This paper examines the existence in...
Policy Brief
Reducing inequalities in South Africa
South Africa has the highest rate of measured inequality in the world. Often thought to be a legacy of the apartheid system, inequality in South Africa has stubbornly persisted. South Africa’s position as highest inequality country in the world has...
Working Paper
The Evolution of Personal Wealth in the Former Soviet Union and Central and Eastern Europe
This study discusses the evolution of personal wealth in transition economies. While data availability is still a problem, the available indirect evidence suggests privatization has resulted in an increase in personal wealth but also in personal...
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...
Working Paper
Relative Deprivation, Personal Income Satisfaction, and Average Well-Being under Different Income Distributions
This paper uses the data gained from an income categorization experiment for five shapes of income distributions to investigate background context effects, relative deprivation, range-frequency theory to explain background context effects, individual...
Working Paper
Measuring Inequality Without the Pigou-Dalton Condition
Typical welfare and inequality measures are required to be Lorenz consistent which guarantees that inequality decreases and welfare increases as a result of a progressive transfer. We explore the implications for welfare and inequality measurement of...
Working Paper
Welfare dynamics in India over a quarter-century
We analyse the Indian National Sample Survey data spanning the period 1987/88–2011/12 to uncover patterns of transition into and out of different classes of consumption distribution. At the aggregate level, income growth has accelerated, accompanied...
Working Paper
Growth and Equity in Finland
This paper reviews Finnish economic history during the 'long' twentieth century with a special emphasis on policies for equity and growth. We argue that Finland developed from a poor, vulnerable, and conflict-prone country to a modern economy in part...
Working Paper
Microsimulation, CGE and Macro Modelling for Transition and Developing Economies
Alternative approaches to modelling distributional and welfare effects of changes in policy and the economic environment in developing and transition countries are surveyed. Microsimulations range from pure accounting approaches to models with...
Working Paper
Globalization and Regional Income Inequality
China’s recent accession to the WTO is expected to accelerate its integration into the world economy, which aggravates concerns over the impact of globalization on the already rising inter-region income inequality in China. This paper discusses China...
Working Paper
Inequality, Income and Poverty
Analysing a large sample of 1980–2004 unbalanced panel data, the current study presents comparative global evidence on the role of (income) inequality in poverty reduction. The evidence involves both an indirect channel via the tendency of high...
Working Paper
Income Distribution and Growth's Ability to Reduce Poverty
The present study examines the degree to which income distribution affects the ability of economic growth to reduce poverty, based on 1990s data for a sample of rural and urban sectors of African economies. Using the basic needs approach, an analysis...
Working Paper
Regional Poverty and Income Inequality in Central and Eastern Europe
This paper reports levels of income inequality and poverty in four Central and Eastern European countries: the Czech Republic, Hungary, Poland and Russia. Unlike many previous researchers who examine transition economies, we aggregate the detailed...
Working Paper
Taking stock of South African income inequality
We synthesize the findings from several recent papers on South Africa’s very high income inequality. These papers use new datasets—including income tax data—and new empirical methods to investigate the drivers of household income and individual...
Working Paper
Who Pays Indirect Taxes in Russia?
The interplay of a differentiated indirect tax structure and the variation in expenditure patterns across households, leads to a possibly unequal distribution of indirect tax liabilities across the population. This paper uses the ninth round of the...
Working Paper
Regional Output Differences in International Perspective
Accurate regional estimates of output are desired as an indicator of level of development and as a variable used to explain internal migration, demand patterns, fertility and other aspects of behaviour. This chapter explores one often neglected...
Working Paper
Decomposing Spatial Differences in Poverty in India
Over the last decade, India has been one of the fastest growing economies, and has experienced considerable decline in overall income poverty. However, in a vast country like India, poverty levels vary significantly across the different states. In...
Working Paper
Income Inequality in Rural China
A considerable literature exists on the measurement of income inequality in China and its increasing trend. Much less is known, however, about the driving forces of this trend and their quantitative contributions. Conventional decompositions, by...
Working Paper
The effect of real exchange rate volatility on income distribution in South Africa
This study investigates the effect of real exchange rate volatility on the distribution of income between labour and capital in South Africa. Both symmetric and asymmetric effects are considered. Using quarterly data for 1985:1–2018:3 and local...
Working Paper
The distributional impact of structural transformation in rural India
The North Indian village of Palanpur has been the subject of close study over a period of six decades from 1957/8 to 2015. Himanshu et al. (2018) have documented the evolution of the village economy over this period in an exhaustive study entitled...
Working Paper
Taxes and Tax Reform in Ethiopia, 1990-2004
In 1991 the Ethiopian Revolution Democratic Front (EPRDF) toppled the old ‘socialist’ regime that had ruled the country for seventeen years. In contrast to the previous policy regime of hard control, EPRDF initiated a wide range of reforms that...
Working Paper
Population Size, Per Capita Income, and the Risk of Civil War
A common finding in the empirical civil war literature is that population size and per capita income are highly significant predictors of civil war incidence and onset. This paper shows that the common finding of population size and per capita income...
Working Paper
Income, Income Inequality, and Health
This paper tests using survey data from China whether individual health is associated with income and community-level income inequality. Although poor health and high inequality are key features of many developing countries, most of the earlier...
Working Paper
Poverty and Growth in the WAEMU after the 1994 Devaluation
This paper brings out that poverty increased massively in the wake of the 1994 devaluation of the CFA franc, despite a significant recovery of economic growth. Although this increase affected all the social groups, it fell mostly on the urban poor...
Working Paper
Urban-Rural Inequality in Living Standards in Africa
In this paper we examine the relative importance of rural versus urban areas in terms of monetary poverty and seven other related living standards indicators. We present the levels of urban-rural differences for several African countries for which we...