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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409 past and upcoming events

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Seminar
papers and calculator on table SA-TIED Seminar Series: Exploring options to deepen and broaden the personal income tax base in South Africa
Thu, 11 July 2024
Online - Zoom, Pretoria, South Africa
Past event
Seminar
Julien Wolfersberger on Climate immobility in sub-Saharan Africa
Wed, 12 June 2024
Hybrid, Katajanokanlaituri 6 B, Helsinki, Finland
Past event
Seminar
Alexandra Hartmann on Empowerment on the move? An experiment in supporting forcibly displaced people in Greece
Tue, 4 June 2024
Hybrid, Katajanokanlaituri 6 B, Helsinki, Finland
Past event
Seminar
Nagesh Kumar on Manufacturing and India’s green transition: challenges, opportunities and policies
Wed, 22 May 2024
Hybrid, Katajanokanlaituri 6 B, Helsinki, Finland
Past event
Conference
The world at crossroads – securing the future generations The world at crossroads – securing the future generations
Tue, 14 May 2024 – Thu, 16 May 2024
Radisson Blu Hotel and Residence, Avenida Marginal 141, 9999, Maputo, Mozambique
Past event
Seminar
Bruno Martorano on Social movements and preferences for redistribution
Tue, 30 April 2024
Hybrid, Katajanokanlaituri 6 B, Helsinki, Finland
Past event
Seminar
young boy in a market SA-TIED Seminar Series: Proposal for the extension, redesign, and repurposing of the SRD grant, with a focus on poverty and unemployment reduction.
Tue, 30 April 2024
Online, South Africa
Past event
Policy workshop
Labour market inequality and intergenerational mobility

UNU-WIDER hosts an inception workshop on labour market inequality and intergenerational mobility part of the new inequality theme as part of our current 2024–27 work programme. On 16 April 2024, we host a collaborative brainstorming session that...

Tue, 16 April 2024
Hybrid, Katajanokanlaituri 6 B, Helsinki, Finland
Past event
Seminar
Nicole Hassoun on Measuring population health: avoiding discrimination
Thu, 11 April 2024
Hybrid, Katajanokanlaituri 6 B, Helsinki, Finland
Past event
Seminar
Andrea Vaccaro on how (the lack of) state experience shapes today’s fragile states
Wed, 20 March 2024
Hybrid, Katajanokanlaituri 6 B, Helsinki, Finland
Past event
Policy workshop
Financing infrastructure development in the context of climate change

Join us for a policy debate in which leading experts and policymakers explore the future of South Africa's infrastructure in the context of climate change. This discussion will focus on the impact of climate change on long-term infrastructure...

Mon, 18 March 2024
Wits Origins Centre, University of the Witwatersrand, 1 Jan Smuts Avenue, Braamfontein 2000, Johannesburg, South Africa
Past event
Seminar
Man working, Zambia, search image. Image: Jean Mandela / UNU-WIDER LDC5 Monitor – Defining its scope and uses
Thu, 7 March 2024
Online, Helsinki, Finland
Past event
Conference
LDC Future Forum 2024 logo search image Innovation for structural transformation in Least Developed Countries – LDC Future Forum
Tue, 5 March 2024 – Thu, 7 March 2024
Online, Helsinki, Finland
Past event
Seminar
Kunal Sen on Varieties of Structural Transformation – SOAS Seminar series

Kunal Sen joins the SOAS Economics Seminar Series to present insights from the book Varieties of Structural Transformation.One of the key features of modern economic growth is the process of structural transformation, which is the movement of workers...

Thu, 29 February 2024
SOAS, University of London main building, RB01, 10 Thornhaugh St, London, United Kingdom
Past event
Seminar
Nadine Riedel on the effectiveness of countermeasures against multinational tax avoidance
Wed, 29 November 2023
Hybrid, Katajanokanlaituri 6 B, Helsinki, Finland
Past event
Seminar
Gabriela Zapata Román on The motherhood effect on women's labour trajectories: preliminary results
Wed, 15 November 2023
Hybrid, Katajanokanlaituri 6 B, Helsinki, Finland
Past event
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