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Publications (250)
Blog
In monetary policy communication, every word carries weight. Consider this scenario: the South African Reserve Bank (SARB) articulates its stance to anchor inflation expectations, yet this message undergoes subtle transformations when translated by the media and financial analysts. How do divergent...
Working Paper
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Given the rise in the government debt level in recent times, this paper aims to examine the effect of an increase in government size on risk premium and its transmission in the economy. We jointly identify the term spread shock (originating at the short end and the long end) and the government size...
Working Paper
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Rising globalization has exerted a downward pressure on global tariffs, thereby eroding tariff revenues in developing nations. We analyse how gains from lowering import tariffs are distributed within the firm and the corresponding tax (base) implications. First, we study the effect of tariff changes...
Working Paper
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Frequent electricity outages threaten to impede the benefits of expanded access achieved by many developing countries in recent decades. A large literature documents these negative effects, however almost none consider labour market effects. This paper merges labour force survey microdata with high...
Working Paper
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Cross-border traders face a choice between official and unofficial border crossings. The latter allow them to evade taxes, but expose them to other risks, such as bribes, fines, and arrest. We investigate the perceptions of cross-border traders about the risks of trading officially vs unofficially...
Working Paper
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– The case of poultry in South Africa
Using highly disaggregated customs-transaction-level data, we study the importer price effects of tariffs in the context of preferential trade agreements for South African imports of frozen bone-in chicken. We focus first on the firm-level impact of tariffs on import prices. Findings suggest no pass...
Blog
Sub-Saharan Africa has abundant natural resources and a substantial market, with an estimated population of 1.2 billion. The population is projected to grow by nearly 80% and reach almost 2 billion people by 2043. This population growth is expected to parallel an economic expansion, with annual...
Blog
New analysis of income data in South Africa shows the gender pay gap—how much more men earn than women—has increased. According to findings from a study conducted by the SA-TIED programme, in 2021, women in South Africa earned 78 cents for every rand earned by men, compared to 89 cents in 2008. This...
Blog
South Africa ranks as the world’s most unequal country by income. This is largely due to high wage inequality, given that wages are the main income source for the majority of the working population. Exploring the nuances of this inequality prompts a critical question: what is the extent of employers...
Journal Article
This peer-reviewed research is available free of charge. UNU-WIDER believes that research is a global public good and supports Open Access.
In an environment with extensive corruption where much of the population evades paying their full taxes due, we tackle the question of optimal taxation when constituencies with conflicting objectives (the poor and the rich) push tax policy in different directions. We think in terms of a government...
Journal Article
This peer-reviewed research is available free of charge. UNU-WIDER believes that research is a global public good and supports Open Access.
This article is the first to provide estimates of how minimum wages affect worker flows and employment growth rates in an employment scarce developing country context. We investigate the effects of a large, exogenous increase in agricultural minimum wages in South Africa. We find that changes...
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– A City of Cape Town case study
Addressing unemployment and income inequalities in transport and land-use policies is important, particularly in South Africa, which is currently experiencing one of the highest unemployment rates and income inequality in the world. This research investigates the horizontal (geographical...
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In this paper we explore options for augmenting South Africa’s personal income tax revenue using two microsimulation models: PITMOD simulates the personal income tax system and is underpinned by a dataset comprising a full extract of anonymized individual-level administrative tax data; and SAMOD...
Working Paper
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– Evidence from Zambian tax administrative data
We investigate the behavioural responses of individual taxpayers to changes in marginal personal income tax rates applying empirical bunching methodology to tax administrative data from Zambia over the period from 2014 to 2021. We find evidence for excess bunching at the first kink in the tax...
Blog
The South African constitution is considered progressive and transformative in intention due to its inclusion of socioeconomic rights, such as the right to education, food, and healthcare. However, some of these rights are qualified by the availability of state resources, which places an imperative...
Working Paper
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– A microsimulation model approach using tax administrative data
South Africa has a progressive broad-based personal income tax system with relatively few tax expenditures. The two most important are the medical contribution plus additional tax credits for medical expenses, and the deductions allowed for retirement contributions. A pertinent question for tax...
Displaying 16 of 250 results