The Anatomy of the VAT
Michael Keen
No 2013/111, IMF Working Papers from International Monetary Fund
Abstract:
This paper sets out some tools for understanding the performance of the value added tax (VAT). Applying a decomposition of VAT revenues (as a share of GDP) to the universe of VATs over the last twenty years, it emerges that developments have been driven much less by changes in standard rates than by changes in ‘C-efficiency’ (an indicator of the departure of the VAT from a perfectly enforced tax levied at a uniform rate on all consumption). Decomposing C-efficiency into a ‘policy gap’ (in turn divided into effects of rate differentiation and exemption) and a ‘compliance’ gap (reflecting imperfect implementation), results pieced together for EU members suggest that the former are in almost all cases far larger than the latter, with rate differentiation and exemptions playing roles that differ quite widely across countries.
Keywords: WP; public goods; Value added tax; tax gaps; tax compliance; VAT revenue; rate gap; VAT system; input VAT; revenue change; weighted average; VAT receipt; performance of the value added tax; exemption gap; Value-added tax; Consumption; Tax gap; Tax efficiency; Income; Middle East and Central Asia (search for similar items in EconPapers)
Pages: 28
Date: 2013-05-16
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Citations: View citations in EconPapers (62)
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Journal Article: The Anatomy of the Vat (2013) 
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