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Publications (214)
Blog
As greenhouse gases once again climb to record levels, countries are under pressure to make the move to a low-carbon economy. Policies that move in this direction are needed to mitigate against the worst impacts of climate change, but policy choices will have winners and losers. As it is crucial to...
Report
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This report documents MicroZAMOD, the SOUTHMOD model developed for Zambia. This work was carried out by Zambia Institute for Policy Analysis & Research (ZIPAR) in collaboration with the project partners. The results presented in this report are derived using MicroZAMOD version 2.16, which is part of...
Working Paper
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– Comparing the performance of universal basic income in Uganda and Zambia during COVID-19
The debate over universal basic income (UBI) has gained traction in the developing world in recent years. We analyse the effects of four UBI schemes on poverty and inequality measures during normal times and times of crisis in Uganda and Zambia. We use static microsimulation models and nationally...
UNU-WIDER operates at the intersection of research, capacity development, and policy engagement, with a mission to improve the lives of the world’s poorest people. Each year, we publish hundreds of papers, open access books, journal articles, convene dozens of events and capacity development...
Working Paper
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This paper explores two policy interventions in Zambia, a minimum wage hike in 2018 and an upward revision in the first kink in the progressive income tax schedule in 2017, to examine and compare the impact of minimum wage and tax kink changes on wages and the earnings distribution in the formal and...
The Zambian government wants to reduce poverty by 20% by 2030. To make this happen, the government reformed their national cash transfer programmes. But what was the potential impact? In 2021, our MicroZAMOD team conducted an assessment—recommendations of which have been adopted at the highest level...
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...
Journal Article
– Insights from survey and tax administrative data in Zambia
THIS ARTICLE IS ON EARLY VIEW | This study examines how formal firms have been impacted by and recovered from the COVID-19 pandemic, by drawing on two distinct but complementary data sources. This is the first attempt to use both survey and tax administrative data to measure the impact of the...
Blog
As we conclude the groundbreaking years of the 2019–2023 work programme on transforming economies, states, and societies, we reflect on the milestones achieved and anticipate the journey ahead.In 2019, I assumed the role of Director at UNU-WIDER and initiated the planning of the new work programme...
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...
Working Paper
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– A comparative perspective
We examine the distributional effects of the COVID-19 pandemic and associated tax-benefit measures in seven sub-Saharan African countries, focusing on the onset of the crisis.We evaluate impacts on disposable incomes, considering variations across income groups; assess the effectiveness of tax...
Blog
Data is the key to informed decision-making in today's rapidly changing world. As nations strive to address complex economic challenges, data-driven insights have become indispensable. South Africa is no exception, facing issues like declining GDP per capita, sluggish productivity growth, and rising...
– How collaboration can help
UNU-WIDER has worked for several years in collaboration with sub-Saharan African revenue authorities to facilitate the analysis of digital tax data. During a visit to Kampala, Uganda this year, we asked our colleagues how this collaboration has been useful to them. How do they see their role going...
With the deadline for achieving the UN’s Sustainable Development Goals just seven years away, there is an increasing sense of urgency over the question of how to finance the ambitious framework, particularly in lower- and middle-income countries.Experts met at the recent WIDER Development Conference...
The post-COVID-19 economic recovery and Russia’s war with Ukraine have caused some natural resource prices to reach new highs. Although forecasting the price of internationally-traded commodities is notoriously difficult, recent estimates suggest that prices will remain high through 2024. The high...
– Why that’s a problem and how to fix it
Less than 10% of the workers in sub-Saharan Africa save for old age, the lowest rate for any region in the world. That implies most of the breadwinners today won’t be able to afford basic items after retirement. A pension plan is meant to commit employers to make regular savings so that employees...
Across Kenya, Malawi, and Zambia, political candidates often attempt to buy the votes of the most socio-economically deprived communities. But new research from Prisca Jöst and Ellen Lust argues that social cohesion in these communities is instrumental in determining the levels of support for...
In Mozambique, Tanzania, South Africa, Uganda, and elsewhere, UNU-WIDER is on the ground to support national development plans, collect and create data for economic analysis and national and international policy processes, and build the capacity of government officials to develop national economies...
Report
pdf
This report documents MicroZAMOD, the SOUTHMOD model developed for Zambia. This work was carried out by Zambia Institute for Policy Analysis & Research (ZIPAR) in collaboration with the project partners. The results presented in this report are derived using MicroZAMOD version 2.15 running on...
Working Paper
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Financial sanctions, which aim to economically hurt a target by restricting its access to financial assets and markets, require the ability to identify who owns an asset. Although experts have long claimed that offshore financial centres that offer secrecy (‘tax havens’) undermine sanctions by...
Zambia is putting in place fiscal measures to improve the efficient collection of domestic revenue to finance social and public infrastructure. This analysis shows how much more revenue can be accumulated if tax evasion was at the bare minimum. Tax gap describes the share of the potential tax...
Along with several other African countries, Zambia has introduced a withholding system for value-added tax (VAT) to improve revenue collection and compliance. Even though VAT withholding policies are applied in several countries in Africa and similar industry-specific policies in Europe, empirical...
– What Zambia is doing right
Over half of Zambia’s population lived below the national poverty line in 2015. In rural areas, where 89% of households are engaged in agriculture, the poverty rate was even higher, at 77% of the population. The government runs several programmes of financial support for farmers. Some provide...
Working Paper
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– A bottom-up approach based on audit assessments
Assessing tax gaps—the difference between the potential and actual taxes raised—plays a vital role in achieving positive domestic revenue objectives through improved and reformed taxation. This is particularly pertinent for growth outcomes in developing countries. This study uses a bottom-up...
Working Paper
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Improving tax collection is essential if developing economies are to avoid over-reliance on external donor funds and loans. Revenue authorities in the Global South have recently adopted new policy tools to improve domestic revenue mobilization through taxes.One such new policy is a withholding...
Working Paper
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We study the effectiveness of social protection benefits in reducing income and consumption poverty in five sub-Saharan African countries—Ghana, Mozambique, Tanzania, Uganda, and Zambia—in normal times and times of widespread economic crisis. Using tax–benefit microsimulation models with...
Working Paper
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– A microsimulation approach
This paper examines the distributional impacts of agricultural policies versus those of cash transfers using a tax–benefit microsimulation model for Zambia for the policy year 2020. The analysis also considers the behavioural impacts of input subsidies and social cash transfers. The results indicate...
Blog
How can differences in children and young people’s learning outcomes be reduced? This was one of the timely themes discussed in the Sustainable Cities discussion forum series arranged by the United Nations University World Institute of Development Economics Research (UNU-WIDER) in collaboration with...
– Evidence from tax administrative and survey data in Zambia
Like most other countries, the government of Zambia introduced restrictions to control COVID-19, which considerably curtailed normal economic activity. A new WIDER and World Bank working paper, a multi-institutional collaboration of UNU-WIDER, the World Bank, the Zambia Revenue Authority and the...
Journal Article
– A decomposition approach
Redistributive systems in Africa are still in their infancy but are expanding in order to finance increasing public spending. This study aims at characterising the redistributive potential of six African countries: Ghana, Zambia, Mozambique, Tanzania, Ethiopia and South Africa.These countries show...
– Opportunities and salutary lessons
In a series of high-level UN Roundtables, in which I participated in 2021, experts and stakeholders explored the risks and opportunities presented by the global clean energy transition. Discussions included the prospects for lower-income countries arising from the electric vehicle (EV) revolution in...
Working Paper
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– Insights from survey and tax administrative data in Zambia
This paper examines how formal firms have been impacted by and recovered from the pandemic by drawing on two distinct but complementary data sources. This is the first attempt to use both survey and tax administrative data to measure the initial decline and subsequent recovery of firm sales and...
Displaying 32 of 214 results