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.
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