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

October 6, 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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Racial minorities in France face substantial earnings penalties

September 30, 2025 | WID.world

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

September 11, 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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Capital in the 21st Century, Ten Years Later

September 8, 2025 | WID.world

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

September 8, 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

September 1, 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

August 18, 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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Inequalities in exposure to environmental risks are high and vary across home ownership status

July 17, 2025 | WID.world

As the costs of climate change are projected to rise exponentially, it is crucial to identify which segments of the population will be most impacted

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Human capital, unequal opportunities and productivity convergence – A global historical perspective 1800-2100

July 2, 2025 | WID.world

How much more inclusive has access to health and education become in recent decades? Are we on track for global convergence in human capital, well-being,

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Project management and web design: Pauline Bouaud, Mathieu Vicard and Anthony Wieczorek

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