 Measuring Revenue-Maximising Elasticities of Taxable Income: Evidence for the US Income TaxJohn Creedy and Norman Gemmell No 18803, Working Paper Series from Victoria University of Wellington, Chair in Public Finance Abstract: A recent review of empirical estimates of the elasticity of taxable income (ETI) concluded that ‘the US marginal top rate is far from the top of the Laffer curve’ (Saez et al, 2012, p.42). This paper provides a detailed examination of the analysis underlying this conclusion, and considers whether other tax rates in the US income tax system are on the ‘right’ side of the Laffer curve. Conceptual expressions for ‘Laffer-maximum’ or revenue-maximizing ETIs, based on readily observable parameters, are presented for individuals and groups of taxpayers in a multi-rate income tax system. Applying these to the US income tax in 2005, with its complex effective marginal rate structure, demonstrates that a wide range of revenue-maximizing ETI values can be expected for individual taxpayers within and across tax brackets, and in aggregate. For many taxpayers these revenue-maximizing ETIs are well within the range of empirically estimated elasticities. Keywords: Income tax revenue; Revenue elasticity; Laffer Curve (search for similar items in EconPapers) Downloads: (external link) Related works: Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text Persistent link: https://EconPapers.repec.org/RePEc:vuw:vuwcpf:18803 Access Statistics for this paper More papers in Working Paper Series from Victoria University of Wellington, Chair in Public Finance School of Accounting & Commercial Law, Victoria University of Wellington, PO Box 600, Wellington, New Zealand. Contact information at EDIRC. |
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