A new study shows how little tax the super-rich pay
Wealth inequality may be worse than previously thought
By THE DATA TEAM
OF LIFE’s two certainties, death cannot be dodged even by the well-to-do. Taxes are another matter. Quantifying quite how much they manage to keep from the taxman, however, has always been tricky. One common approach governments take is to conduct randomised audits of tax returns. This methodology can give regulators a rough sense of overall tax revenues lost. But it is far from ideal. For instance, studies based on randomised tax audits are usually both too small and too crude to reflect accurately the financial shenanigans of the most egregious tax-dodgers: the super-rich.
A new study by Annette Alstadsæter, Niels Johannesen and Gabriel Zucman, three economists, tackles this problem by investigating two recent financial-data hoards: the “Swiss leaks”, a record of bank accounts held at HSBC in Switzerland; and the “Panama papers”, files that document the use of offshore accounts and shell companies by clients of Mossack Fonseca, a law firm in Panama. By matching the leaked information with wealth data from Denmark, Norway and Sweden, the authors are able to construct the most detailed estimate to date of the extent of tax evasion.
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