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

As recent projections warn that we’re off-track to reduce inequality for the 2030 deadline of the Sustainable Development Goals, the pressing need for equitable tax systems takes center stage at the 28th WIDER Annual Lecture on 4 September 2024. Esteemed economist Gabriel Zucman examines how disparities of current tax structures guarantee this inequality is persistent due to advantages enjoyed by the ultra-wealthy.

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luxurious meal versus poor meal
Uganda TIN registration form, calculator, currency, pen. Image: Kalungi Kabuye / UNU-WIDER

WIDER Seminar Series

The WIDER Seminar Series has returned! Beginning in March, join either online or in person for the 2024 season of this exciting event series to hear the latest research in development.

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50 past and upcoming events

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Projects 2019-
Policy seminar
electricity poles Powering economic recovery: Lessons from South Africa’s electricity crisis
Fri, 29 November 2024 13:00 – Fri, 29 November 2024 15:00
Origins Centre, University of the Witwatersrand , Corner of Yale Road and Enoch Sontonga Avenue, Braamfontein, Johannesburg, South Africa
Open for registration
Policy seminar
Fostering clean transitions and green industrialization in the Global South — Perspectives from emerging G20 economies

UNU-WIDER and ISID host a policy dialogue in New Delhi on policy lessons for national and global action to secure a clean transition to net-zero emissions without compromising the national development and economic growth objectives of emerging...

Fri, 25 October 2024
Institute for Studies in Industrial Development, 4, Vasant Kunj Institutional Area, Vasant Kunj II, Vasant Kunj, 110070, New Delhi, India
Past event
Policy seminar
Uganda TIN registration form, calculator, currency, pen. Image: Kalungi Kabuye / UNU-WIDER Findings from recent research based on Ugandan administrative tax data
Wed, 15 November 2023
Hotel Protea by Marriott, Elgon Terrace, Kampala, Uganda
Past event
Policy seminar
Receipt from a card machine in a grocery store. Image: Imani Nsamila Improved compliance and a renewed social contract for the SDGs
Fri, 10 November 2023
Dar es Salaam, Tanzania
Past event
Policy seminar
Findings from recent research based on Zambian administrative tax data

In collaboration with the Research and Statistics Unit at the Zambia Revenue Authority (ZRA), UNU-WIDER organizes a dissemination workshop on two studies evaluating tax compliance in Zambia. This event allows all key stakeholders to acquaint...

Wed, 1 March 2023
Lusaka, Zambia
Past event
Policy seminar
UNU-WIDER at the Effective development co-operation summit
Mon, 12 December 2022 – Wed, 14 December 2022
Geneva, Switzerland
Past event
Policy seminar
Tony Addison at the 18th Plenary Meeting of the OECD Policy Dialogue on Natural Resource-based Development

Tony Addison represents UNU-WIDER as one of the invited partner organizations and institutions in the OECD’s Policy Dialogue on Natural Resources Development, which will take place online on 27-28 June 2022. This dialogue is part of the OECD Strategy...

Mon, 27 June 2022 – Tue, 28 June 2022
Online, Helsinki, Finland
Past event
Policy seminar
Tony Addison at the 17th Plenary Meeting of the OECD Policy Dialogue on Natural Resource-based Development

Tony Addison represents UNU-WIDER as one of the invited partner organizations and institutions in the OECD’s Policy Dialogue on Natural Resources Development, which will take place online on 14-15 December 2021. This dialogue is part of the OECD...

Tue, 14 December 2021 – Wed, 15 December 2021
Online, Helsinki, Finland
Past event
Policy seminar
Distributional Effects of the COVID-19 Pandemic in Zambia
Thu, 14 October 2021
Sarovar Premiere Hotel, online, Lusaka, Zambia
Past event
Policy seminar
Cash Plus dissemination event
Tue, 5 October 2021
Hotel Southern Sun Ridgeway, Lusaka, online, Zambia
Past event
Policy seminar
Assessing Presumptive Tax Policy in Uganda

This online event will be organized to introduce the results of an assessment of presumptive tax policy in Uganda. The seminar will cover effect estimates of Uganda's recent presumptive tax reform and recommendations for amending the tax regime in...

Thu, 26 August 2021
Online, Kampala, Uganda
Past event
Policy seminar
Tony Addison at the 16th Plenary Meeting of the OECD Policy Dialogue on Natural Resource-based Development

Tony Addison represents UNU-WIDER as one of the invited partner organizations and institutions in the OECD’s Policy Dialogue on Natural Resources Development, which takes place online on 30 June – 2 July 2021. This dialogue is part of the OECD...

Wed, 30 June 2021 – Fri, 2 July 2021
Online, Helsinki, Finland
Past event
Policy seminar
SA-TIED policy dialogue – Macroeconomics and inequality in South Africa
Tue, 29 June 2021
Online, South Africa
Past event
Policy seminar
Linkages between Special Economic Zone investments and the local economy
Sat, 19 June 2021
Dar es Salaam, Tanzania
Past event
Policy seminar
SA-TIED policy dialogue — International trade and global value chains
Fri, 28 May 2021
Online, Pretoria, South Africa
Past event
Policy seminar
SA-TIED policy dialogue — Climate-related investments: now or later?
Wed, 12 May 2021
Online, Pretoria, South Africa
Past event
Displaying 16 of 50 results