Abstract
A Laffer curve is a hump-shaped curve showing tax revenue as a function of the tax rate. Revenue initially increases with the tax rate but then can decrease if taxpayers reduce market labour supply and investments, switch compensation into non-taxable forms, and engage in tax evasion. The revenue-maximizing tax rate can be calculated from an estimate of the elasticity of taxable income with respect to the after-tax share. Some studies find this elasticity to be near zero, and others find it to exceed 1. The mid-range for this elasticity is around 0.4, with a revenue peak around 70 per cent.
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Fullerton, D. (2018). Laffer Curve. In: The New Palgrave Dictionary of Economics. Palgrave Macmillan, London. https://doi.org/10.1057/978-1-349-95189-5_2088
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DOI: https://doi.org/10.1057/978-1-349-95189-5_2088
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