Actualités

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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Inégalités d’exposition aux risques environnementaux : des écarts marqués selon le statut de propriété

16 juillet 2025 | WID.world

Alors que les coûts liés au changement climatique devraient augmenter de manière exponentielle, il est crucial d’identifier les segments de la population les plus exposés

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A new composite index to measure and mitigate inequality

1 juillet 2025 | WID.world

Amongst the most widely used measures of income or wealth inequality is the Gini coefficient. In recent times, there has been a rise in popularity

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New Spain Wealth Atlas: understanding regional wealth inequality in Spain

1 juillet 2025 | WID.world

Properly evaluating and designing policies that take wealth inequality into account relies on measuring wealth accurately at the regional level. This is particularly important in countries

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Intergenerational Mobility in Spain: Geographic Analysis and Causal Neighborhood Effects

1 juillet 2025 | WID.world

At the heart of a thriving society lies the principle of equal opportunity: the idea that one’s background should not preordain one’s future. An excellent

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CRÉDITS

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