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Climate inequality report 2025 | Climate Change: A Capital Challenge – Why Climate Policy Must Tackle Ownership
On Wednesday 29 October, the World Inequality Lab will release its 2025 Climate Inequality Report. This new report reveals how wealth drives the climate crisis,
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Equality and Development: A Comparative & Historical Perspective 1800-2025
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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Upward mobility is primarily driven by labor income but almost never by capital alone
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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Racial minorities in France face substantial earnings penalties
Due to the historical legacies of colonization and slavery, as well as more recent migration waves, Western societies have become increasingly diverse in terms of
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First global database of wealth accumulation covering 1800–2025 now available
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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Capital in the 21st Century, Ten Years Later
On the occasion of the tenth anniversary of Capital in the Twenty-First Century (2014) and the fifth anniversary of Capital and Ideology (2020), Thomas Piketty
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Thomas Piketty’s view on billionaire taxation and wealth redistribution
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
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
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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