The billionaire tax – a (modest) proposal for the 21st century by Gabriel Zucman

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New estimates of the cost of ending poverty

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UNU-WIDER launches a free online training course in tax-benefit microsimulation for Global South countries
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2023 UNU-WIDER Annual Report released

UNU-WIDER has released its Annual Report for 2023, showcasing a year of impactful research, policy influence, and global collaboration aimed at tackling some of the world's most pressing challenges.
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New open access book on Tanzania's development

Our new Oxford University Press book volume offers a unique micro level perspective on Tanzania's development since 2000. Click here to read!
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Stories of Change – new video series out now!

Hear from policymakers, academics, and development experts about the transformations our domestic revenue mobilization research programme has been able to catalyse. Click here to watch!
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News
Tanzania Revenue Authority. Image: Imani Nsamila / UNU-WIDER GRD 2023 update: Cross-country tax and revenue collection data for almost 200 countries
About
Frequently asked questions - Government Revenue Dataset (GRD)

Q. What are the various options for accessing the GRD? The GRD can be accessed in several ways. The GRD Explorer presents the dataset in a user-friendly, intuitive online tool that allows users to visualize or download custom selections of the data...

Working Paper
The dynamics of domestic revenue mobilization across four decades

We utilize the recently updated UNU-WIDER Government Revenue Dataset, which covers key indicators on tax and non-tax revenues for 196 countries since the 1980s, to study the dynamics of government revenue tax collection across selected periods from...

Technical Note
Government Revenue Dataset (2021): country notes

This technical note is the third in a series based on the UNU-WIDER Government Revenue Dataset (GRD). The preceding notes have described in detail the variables contained within the GRD and the source selection procedures. In this technical note, we...

Blog
The tortoise defeats the hare: Does moderate outlast rapid growth in domestic revenue?

The past four decades have seen marked improvements in the collection of domestic revenue (tax and non-tax revenues) in many countries of the Global...

Research Brief
Dynamics of domestic revenue mobilization
Blog
What can the GRD do for policymakers?
Placeholder

A few months ago, I was asked to deliver a lecture at the Vienna Institute for International Economic Studies on the UNU-WIDER Government Revenue...

Technical Note
Government Revenue Dataset (2021): variable description

This technical note is part of a series of technical notes describing the construction of the Government Revenue Dataset (GRD). This document specifically focuses on the composition of variables in the GRD (version August 2021) and across the...

Blog
Social protection at a crossroad
Placeholder

How can we ensure a resilient and inclusive recovery from COVID-19? How can we hold on to the target of eradicating poverty and hunger by 2030, with...

Technical Note
Government Revenue Dataset (2021): source selection

This technical note is part of a series of technical notes describing the construction of the Government Revenue Dataset (GRD). We provide an overview of the underlying sources in the GRD and the criteria used in order to select data from them. In...

News
GRD 2022 update: Tax and revenue data for 197 countries in one dataset
Webinar
Tax effort revisited: How much tax can low-income countries expect to collect?
Tue, 13 September 2022
Online, Finland
Past event
News
New release of the Government Revenue Dataset (GRD) covers up to 40 years of tax and revenue data
Lecture
Abrams M.E. Tagem delivers lecture at the Vienna Institute for International Economic Studies

On Friday, 13 May 2022 9:00-10:30 (UTC+2), Abrams M.E. Tagem will deliver a lecture at the Vienna Institute for International Economic Studies. The lecture, entitled "The Government Revenue Dataset," will be attended by audience is mostly...

Fri, 13 May 2022
Online, Vienna, Austria
Past event
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