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Publications (10)
Working Paper
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– Simulation results for Zambia
The COVID-19 pandemic increased public debt and changed the income distribution in many countries. We use a numerical simulation approach to derive optimal nonlinear marginal tax rates for the pre-crisis and crisis periods. We contribute to the literature by examining optimal tax rates numerically...
Working Paper
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Low levels of broadband penetration combined with poor quality of services present a challenge to growth and development in the Southern African Development Community (SADC). This paper performs a comparative analysis of the competitive dynamics of telecommunications markets in four SADC countries...
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.
Part of Journal Special Issue
Regional Growth Opportunities
Working Paper
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– A comparison of findings from South Africa, Botswana, Zambia, and Zimbabwe
Since the early 2000s, there has been rapid growth in the number and spread of supermarkets in southern Africa. This paper is a synthesis of key findings of studies undertaken in Botswana, South Africa, Zambia, and Zimbabwe on the expansion of supermarkets and the impact this has had on suppliers...
Blog
– Challenging the conventional wisdom
It is widely accepted in recent work in economics and political science that ethnic diversity has a negative impact on the provision of public goods such as health and education. Indeed, the conventional wisdom holds that a negative relationship is so well-established empirically that research...
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.
– Evidence of a Subnational “Diversity Dividend”
The “diversity debit” hypothesis – that ethnic diversity has a negative impact on social, economic, and political outcomes – has been widely accepted in the literature. Indeed, with respect to public goods provision – the focus of this article – the conventional wisdom holds that a negative...
Working Paper
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– Further Evidence of a Subnational ‘Diversity Dividend’
The hypothesis that ethnic diversity has a negative impact on public goods provision is widely accepted. Notably, most work on this issue fails to distinguish adequately between national versus subnational governance. We find that subnational empirical evidence in particular is inconclusive, and...
Working Paper
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– Implementation of the New Aid Effectiveness Agenda in Health and Education in Zambia
There is a growing interest in the debate on aid effectiveness for assessing the impact of aid not only on economic growth and poverty reduction, but also on intermediate outcomes such as health and education. This paper reviews evidence from recent in-depth country work on the impact of government...
Book Chapter
– Micro-Level Investigations in Three African Countries
From the book:
Food Insecurity, Vulnerability and Human Rights Failure
Working Paper
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– Micro-Level Investigations in Three African Countries
HIV/AIDS has a severe impact on food security, affecting all of its dimensions: availability, stability, access, utilization. FAO recognizes that HIV/AIDS is a determining factor for, as well as a consequence of, food insecurity. Although the relationships among gender, food security and rural...
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