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Publications (29)
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...
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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...
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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...
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 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...
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The South African constitution is considered progressive and transformative in intention due to its inclusion of socioeconomic rights, such as the right to education, land, food, and healthcare. However, some of these rights are qualified by the availability of resources to the state, which places...
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– A large time-varying parameter vector autoregression approach
A critical requirement for efficient fiscal policy is a reliable understanding of its impact on the aggregate economy for different policy instruments and under different economic conditions. Indeed, there is strong evidence to suggest that fiscal multipliers vary with economic conditions, the...
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This paper discusses the rationale and options for a fiscal anchor for South Africa and its potential for restoring and maintaining fiscal sustainability. It argues that a well designed fiscal anchor can be useful in the current fiscal milieu, but notes that the popularity of fiscal rules belies an...
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– Or what to do when r > g
South Africa runs a primary fiscal deficit and the long-term interest rate on government borrowing, r, is greater than the long-term economic growth rate, g. Without intervention, debt will continue to rise until there is a disorderly fiscal stop. Reforms to raise growth have not materialized...
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 study 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 earned incomes just before the pandemic (March 2020)...
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The COVID-19 pandemic has had severe economic consequences in Southern Africa, resulting in an unprecedented decline in production and employment. Similar policy responses have emerged across the region, centred on temporary and inadequate relief for workers and businesses; very limited fiscal and...
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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 earned incomes just before the pandemic (March 2020)...
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– Evidence from the 2016 retirement reform
In 2016, the South African government introduced a comprehensive reform to simplify and harmonize the pension system in order to incentivize pension savings and increase the fairness of the retirement system. Using administrative tax micro-data, we assess the impact of the 2016 reform and find that...
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– Firm-level evidence from administrative tax data
This paper uses firm-level data and a news-based measure of economic policy uncertainty to provide empirical evidence that economic policy uncertainty has a negative impact on firm-level investment in South Africa. Firms’ investment decisions in response to uncertainty reflect firms’ heterogeneity...
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– Evidence from tax administrative data
This paper examines the relationship between monetary policy and wealth inequality in South Africa. We employed a unique database of tax administrative data which allowed us to account for individual heterogeneity. These tax data span from 2011 to 2017 and include over 3 million individual taxpayers...
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– Investigating the potential of spatial network effects in service delivery for reducing stunting in orphans
Stunted growth in early life has serious implications for children and is a well-established constraint to productivity, life expectancy, and cognitive development. This paper evaluates the relative contributions of household resources and public service delivery in reducing the orphan-stunting...
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