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Globalization in crisis – confronting a new economic reality

WIDER Annual Lecture 27
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Report: Towards peace, decent work, and greater equality

Research evidence for transforming economies, states, and societies
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New WIID Explorer!

A powerful tool for accessing and analysing data on income inequality
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UNU-WIDER 2022 Annual Report is released

2022 was a key year in the UNU-WIDER 2019–2023 work programme, with great achievements made possible through our partnerships and collaborations Read more in the 2022 Annual Report.
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The Job Ladder: Transforming informal work and livelihoods in developing countries

NEW BOOK - Available now on Open Access. Providing a nuanced view of informality across a range of developing economies using a common conceptual framework.
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Learn about key issues in peace and conflict research in two minutes from top experts in the field. Click here to watch.
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Capacity development in action: UNU-WIDER Winter School

In collaboration with Stellenbosch University, we organised an intensive winter school course on tax policy research, delivering training to 27 African researchers from 13 countries. Read more
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56 UNU-WIDER articles, publications, projects, experts...

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  • Blog
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  • (-) Tax administration data
Working Paper
Enhancing local content in Uganda’s oil and gas industry

This paper analyses policy options to promote local content in Uganda as it transitions into an oil-producing country. It contends that productive linkages between oil and gas exporters and domestic suppliers in a range of ‘connected’ goods and...

  • Local content
  • Oil and gas
  • Tax administration data
Working Paper
Tax research in South Africa

This framing paper has two main purposes. We first provide a brief survey of the economic literature on taxation in South Africa. Second, we attempt to offer some ideas about areas and topics on which more information is needed and which are...

  • Taxation
  • Tax administration data
  • Tax incidence
Working Paper
Inequality, good governance and endemic corruption

Can a society suffering contests between rich and poor achieve good governance in the face of endemic corruption? We examine a stylized poor state with weak institutions in which a ‘culture of evasion’ damages state authority. Many evade tax payments...

  • Corruption
  • Tax administration data
  • Governance
Working Paper
Employer characteristics and youth employment outcomes in the formal sector in South Africa

Through the use of administrative tax data, this study attempts to identify the characteristics of firms that employ relatively large numbers of young people. The policy objective of this exercise is to use these insights to inform policy and...

  • Tax administration data
  • Firm-level analysis
  • Firm behaviour
Book Chapter
Industries without smokestacks in Uganda and Rwanda

Part of Book Industries without Smokestacks

  • Economic growth
  • Industry
  • Firm size
Blog
Partnerships with Global South governments improve development policy and support achieving the Global Goals
Placeholder
by Timothy Shipp May 2023

In Mozambique, Tanzania, South Africa, Uganda, and elsewhere, UNU-WIDER is on the ground to support national development plans, collect and create...

  • Partnerships for Development
  • Tax administration data
  • Microsimulation modelling
Blog
Empirical research is crucial for better tax enforcement in the developing world
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by Nadine Riedel December 2022

I had the privilege to participate in the UNU-WIDER Winter School as one of the lecturers. In this blog, I explain my main takeaways for students and...

  • Profit shifting
  • Tax
  • Tax administration data
Blog
Global tax reforms, net-zero, and domestic revenue: Food for thought from the DRM programme
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by Abrams M.E. Tagem December 2022

Domestic revenue mobilization (DRM) and taxation have gained prominence lately on the global agenda, most recently with the resolution for the United...

  • Domestic revenue mobilization
  • Net Zero
  • Illicit financial flows
Working Paper
How have formal firms recovered from the pandemic?

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...

  • Firms
  • COVID-19
  • Tax administration data
Blog
Good intentions falling short – the case of pension-related tax expenditures in South Africa
Placeholder
by Agustin Redonda April 2021

Tax benefits to boost contributions into pension funds or pension-related tax expenditures (PTEs) are used widely by governments worldwide to address...

  • Inequality
  • Tax administration data
  • Tax expenditures
Blog
An African in Africa: New perspectives on travelling for research
Placeholder
by Kwabena Adu-Ababio December 2021

Working for an international organisation presents a host of challenges, given the vast nature of tasks that one must surmount in a fast paced and...

  • Zambia
  • Ghana
  • Africa
Working Paper
Do tax administrative interventions targeted at small businesses improve tax compliance and revenue collection?

This paper conducts an impact evaluation of the effects of two tax administration interventions—a taxpayer register expansion and education programme, and a new electronic filing system for presumptive tax—on the number of small business taxpayers...

  • Tax administration
  • Small business
  • Tax compliance
Working Paper
Income distribution in Uganda based on tax registers: what do top incomes say?

We use income data from tax registers at the Uganda Revenue Authority from 2011 to 2017 to estimate top income inequality, focusing on the very top—the top 1, 0.1, and 0.01 per cent of the income distribution. The focus on the extreme top is...

  • Top incomes
  • Inequality
  • Tax data
Technical Note
The Uganda Revenue Authority firm panel

This technical note describes the Uganda Revenue Authority (URA) firm panel, which is constructed from administrative corporate income tax (CIT) returns and firm registration data for the financial years 2013/14–2019/20. The panel dataset contains...

  • Tax data
  • Corporate income tax
  • Uganda
Technical Note
Total factor productivity in South African manufacturing firms 2010–17

We update Kreuser and Newman’s (2018) total factor productivity estimates for the South African manufacturing sector using administrative data from 2009–17. We use standard implementations of the Ackerberg et al. (2015) and Wooldridge (2009)...

  • Total factor productivity
  • Administrative data
  • Manufacturing firms
Journal Article
Inequality, good governance, and endemic corruption

Part of Journal Special Issue Public economics and development action

  • Corruption
  • Tax administration data
  • Governance
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