Global Wealth Inequality. Zucman, G. Annual Review of Economics, 11:109–138, August, 2019.
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This article reviews the recent literature on the dynamics of global wealth inequality. I first reconcile available estimates of wealth inequality in the United States. Both surveys and tax data show that wealth inequality has increased dramatically since the 1980s, with a top 1% wealth share of approximately 40% in 2016 versus 25– 30% in the 1980s. Second, I discuss the fast-growing literature on wealth inequality across the world. Evidence points toward a rise in global wealth concentration: For China, Europe, and the United States combined, the top 1% wealth share has increased from 28% in 1980 to 33% today, while the bottom 75% share hovered around 10%. Recent studies, however, may underestimate the level and rise of inequality, as financial globalization makes it increasingly hard to measure wealth at the top. I discuss how new data sources (leaks from financial institutions, tax amnesties, and macroeconomic statistics of tax havens) can be leveraged to better capture the wealth of the rich.
@article{Zucman2019,
  title = {Global Wealth Inequality},
  author = {Zucman, Gabriel},
  year = {2019},
  month = aug,
  journal = {Annual Review of Economics},
  volume = {11},
  pages = {109--138},
  doi = {10.1146/annurev-economics-080218-025852},
  url = {https://doi.org/10.1146/annurev-economics-080218-025852},
  abstract = {This article reviews the recent literature on the dynamics of global wealth inequality. I first reconcile available estimates of wealth inequality in the United States. Both surveys and tax data show that wealth inequality has increased dramatically since the 1980s, with a top 1\% wealth share of approximately 40\% in 2016 versus 25\textendash 30\% in the 1980s. Second, I discuss the fast-growing literature on wealth inequality across the world. Evidence points toward a rise in global wealth concentration: For China, Europe, and the United States combined, the top 1\% wealth share has increased from 28\% in 1980 to 33\% today, while the bottom 75\% share hovered around 10\%. Recent studies, however, may underestimate the level and rise of inequality, as financial globalization makes it increasingly hard to measure wealth at the top. I discuss how new data sources (leaks from financial institutions, tax amnesties, and macroeconomic statistics of tax havens) can be leveraged to better capture the wealth of the rich.},
  keywords = {Impacts of Wealth Inequality,Trends in Aggregate Wealth and Wealth Inequality},
  url_data_file = {https://bibbase.org/network/publication/zucman-globalwealthinequalitydatafile-2019}
}

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