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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426 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
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
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
Panel discussion
Photo of two factory chimneys with steam coming out of them against a blue sky. Connecting the productivity challenge with development policies in Latin America and the Caribbean
Wed, 13 March 2024
Raúl Prebisch Hall, ECLAC, Av. Dag Hammarskjöld 3477, Vitacura, Santiago de Chile, Chile
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
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
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
Panel discussion
Towards peace and decent work in Africa: Accelerating progress on the SDGs
Thu, 26 October 2023
UNECA, United Nations Conference Center, Addis Ababa, Ethiopia
Past event
Seminar
Stefan Leeffers on the effect of information on flood preparedness in urban Mozambique
Wed, 25 October 2023
Hybrid, Katajanokanlaituri 6 B, Helsinki, Finland
Past event
Seminar
Iván Torre on Educational mobility in Europe and Central Asia
Thu, 19 October 2023
Hybrid, Katajanokanlaituri 6 B, Helsinki, Finland
Past event
Panel discussion
UN HQ Accelerating progress towards fairer societies
Wed, 4 October 2023
United Nations Headquarters, Room CR 11, 405 E 45th St, New York, New York, United States
Past event
Seminar
Varieties of structural transformation seminar by Kunal Sen

On 27 September Kunal Sen attends the The Faculty of Economics of Thammasat University in Pranakorn, Bangkok, to deliver a seminar titled 'Varieties of structural transformation'. The presentation draws on the UNU-WIDER project exploring the old and...

Wed, 27 September 2023
Bangkok, Thailand
Past event
Panel discussion
Bangkok - Unsplash - Frida Aguilar Estrada Accelerating progress towards decent work and fairer societies – joint event with ESCAP
Tue, 26 September 2023
ESCAP, CR-4, UNCC, Rajadamnern Nok Avenue Khwaeng Bang Khun Phrom, Phra Nakhon, Bangkok, Thailand
Past event
Seminar
Paulo Santos presents evidence on the agricultural origins of prejudice from multiple Asian societies
Wed, 20 September 2023
Hybrid, Katajanokanlaituri 6 B, Helsinki, Finland
Past event
Seminar
Saumik Paul on Construction productivity and relative prosperity
Wed, 13 September 2023
Hybrid, Katajanokanlaituri 6 B, Helsinki, Finland
Past event
Panel discussion
Photo by Annie Spratt on Unsplash Rethinking traditional approaches to tackling unemployment in South Africa: Exploring feasible, well-designed grant-based approaches for the unemployed to complement active labour -market policies
Mon, 26 June 2023
South Africa
Past event
Seminar
Sefa Kwami Awaworyi Churchill on Temperature, climate change and household financial behaviour: evidence from Vietnam
Wed, 14 June 2023
Hybrid, Katajanokanlaituri 6 B, Helsinki, Finland
Past event
Seminar
Michael Palmer presents Can information improve the uptake of disability benefits?
Wed, 14 June 2023
Hybrid, Katajanokanlaituri 6 B, Helsinki, Finland
Past event
Seminar
Yusi Ouyang on Fighting poverty to promote growth
Thu, 8 June 2023
Finland
Past event
Seminar
William Ferguson on A theory of triadic power with applications to leadership, collective action, and institutional evolution
Wed, 7 June 2023
Hybrid, Katajanokanlaituri 6 B, Helsinki, Finland
Past event
Seminar
Kunal Sen presents on the good job challenge at IER-Hitotsubashi

On 1 June 2023, UNU-WIDER Director Kunal Sen attends IER-Hitotsubashi University to present in the Economic Development Workshop in the Center for Economic Institutions.

Thu, 1 June 2023 14:00
Hitotsubashi University , Kunitachi, Japan
Seminar
Yselle Flora Malah Kuete presents Does structural change benefit women? Firm-level evidence from the services sector in Cameroon
Wed, 31 May 2023
Hybrid, Katajanokanlaituri 6 B, Helsinki, Finland
Past event
Seminar
Odd-Helge Fjeldstad on Incentivizing customers to increase VAT compliance: Evidence from Tanzania
Wed, 24 May 2023
Hybrid, Katajanokanlaituri 6 B, Helsinki, Finland
Past event
Seminar
Aid effectiveness in fragile states

UNU-WIDER researchers offer a seminar on aid effectiveness in fragile states to an audience of Swedish development officials and foreign officers. The seminar is organized by the Swedish International Development Cooperation Agency (SIDA).

Tue, 23 May 2023
Online, Sweden
Past event
Seminar
Sonia R. Bhalotra on Job displacement, unemployment benefits and domestic violence
Wed, 10 May 2023
Hybrid, Katajanokanlaituri 6 B, Helsinki, Finland
Past event
Panel discussion
Policy panel on war and reconstruction in Ukraine
Tue, 9 May 2023
The crypt of Helsinki Cathedral, Kirkkokatu 18, Helsinki, Finland
Past event
Seminar
Tax and development workshop
Wed, 26 April 2023 – Thu, 27 April 2023
Kampala, Uganda
Past event
Seminar
Hector Gutierrez Rufrancos on The unequal effect of pollution exposure on labour supply across gender
Wed, 12 April 2023
Hybrid, Katajanokanlaituri 6 B, Helsinki, Finland
Past event
Seminar
Addressing ethnic inequality: comparative experiences, Seminar at UN DESA

Rachel M. Gisselquist speaks at the United Nations Department of Economic and Social Affairs (UN DESA) to update experts and officials on new findings from the Addressing group-based inequalities project. The seminar on 'Addressing ethnic inequality...

Wed, 29 March 2023
Online, Finland
Past event
Seminar
Quentin Stoeffler on Economic opportunities, education and child labor: the effects of artisanal gold mining in Burkina Faso
Wed, 29 March 2023
Hybrid, Katajanokanlaituri 6 B, Helsinki, Finland
Past event
Seminar
Céline Zipfel on A mother’s voice: Impacts of spousal communication training on child health investments
Wed, 15 March 2023
Hybrid, Katajanokanlaituri 6 B, Helsinki, Finland
Past event
Seminar
Addressing vulnerabilities through production transformation – Launch of the LDC5 Monitor
Thu, 9 March 2023
Qatar National Convention Centre, Room 105, Doha, Qatar
Past event
Panel discussion
The good jobs challenge in developing countries – presentation at the 63rd ISLE Conference

The Indian Society of Labour Economics (ISLE) hosts its 63rd Annual Conference in Rajiv Gandhi University, Itanagar, Arunachal Pradesh 1–3 March 2023. On day two (2 March) of the conference, a panel discussion will explore the key findings of the...

Thu, 2 March 2023
Rajiv Gandhi University, Itanagar, Arunachal Pradesh, India
Past event
Seminar
Henrique Pita Barros presents The power of dialogue: Evidence from a field experiment in Mozambique
Wed, 1 March 2023
Hybrid, Katajanokanlaituri 6 B, Helsinki, Finland
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
Panel discussion
Unpacking the developer's dilemma – panel discussion at ISID
Fri, 24 February 2023
Vasant Kunj Institutional Area, New Delhi, India
Past event
Seminar
Kunal Sen discusses COVID-19 and subnational state capacity in India

Kunal Sen delivers a seminar on key findings from the UNU-WIDER research project COVID-19 and subnational state capacity in India at the School of Development Studies, Ambedkar University in Delhi, India. The project's detailed studies of the...

Thu, 23 February 2023
School of Development Studies, Ambedkar University, Room 301, Admin Block, Kashmere Gate Campus, Delhi, India
Past event
Seminar
Marinella Leone on What drives parental investments in early childhood
Wed, 8 February 2023
Hybrid, Katajanokanlaituri 6 B, Helsinki, Finland
Past event
Panel discussion
The developer's dilemma: special session in the Jobs for Development Conference
Thu, 15 December 2022
Cape Town, South Africa
Past event
Seminar
Andreas de Barros on Large-scale efforts to improve teaching and child learning in India
Wed, 14 December 2022
Hybrid, Katajanokanlaituri 6 B, Helsinki, Finland
Past event
Displaying 48 of 426 results