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Climate inequality report 2025 | Climate Change: A Capital Challenge, Why Climate Policy Must Tackle Ownership

29 octobre 2025 | WID.world

The Climate Inequality Report 2025 reveals how wealth drives the climate crisis, and proposes new policy options to address it. It builds on the 2023

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Upward mobility is primarily driven by labor income but almost never by capital alone

29 octobre 2025 | WID.world

Understanding the drivers of income mobility is a central question in economics, as individuals’ incomes come from both labor and capital sources. While factor shares

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Equality and Development: A Comparative & Historical Perspective 1800-2025

29 octobre 2025 | WID.world

Understanding how inequality shapes economic development has long been a central question for economists, policymakers, and citizens alike. Does greater equality foster inclusiveness and productivity,

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En France, les minorités racisées subissent de fortes pénalités salariales

30 septembre 2025 | WID.world

En France, le modèle universaliste qui refuse de reconnaître les communautés au sein de la République rend la mesure et la mise en évidence des

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First global database of wealth accumulation covering 1800–2025 now available

11 septembre 2025 | WID.world

The long-run evolution of wealth has been central to debates in economic history and macroeconomics, but until now evidence has been largely confined to Western

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Thomas Piketty’s view on billionaire taxation and wealth redistribution

8 septembre 2025 | WID.world

On 9 April 2025, Thomas Piketty was interviewed at the “Taxing Billionaires” conference. On this occasion, he shared his views on billionaire taxation and the

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Public ownership outperforms privatisation when an enterprise is a skill-based, natural, or network monopoly

1 septembre 2025 | WID.world

Is public ownership or privatisation better? Throughout the 20th century, debates on public versus private ownership swung back and forth, often framed ideologically rather than

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The recent compression of US wage inequality: tightness, turbulence, and power-biased policy

18 août 2025 | WID.world

Since the onset of the COVID pandemic, the United States has experienced a sharp compression of wage inequality, reversing roughly one-third of the increase observed

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Réinventer la solidarité assurantielle face aux effets inégalitaires du réchauffement climatique

16 juillet 2025 | WID.world

Face à l’envolée du coût de ces catastrophes, il devient crucial d’identifier les populations les plus exposées. Dans cette note, Thomas Bézy et Lucas Chancel

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Site web créé en 2021 par l'agence Adrénaline, avec la collaboration de :

Gestion de projet et conception web : Pauline Bouaud, Mathieu Vicard et Anthony Wieczorek

Développement et intégration : Aurélien Binauld, Thibaut Watteau et Benjamin Grillet (AliquidStudio).

Coordination : Lucas Chancel et Olivia Ronsain