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Modelling value-added tax in the presence of multi-production and differentiated exemptions

James Giesecke and Nhi Tran ()

Journal of Asian Economics, 2010, vol. 21, issue 2, 156-173

Abstract: We develop a framework for economy-wide modelling of value-added tax systems. Our framework models a number of complexities of VAT systems as implemented by tax agencies. In particular, we model multiple rates, multiple exemptions, multiple degrees of refundability across commodity users, and multi-product enterprises. We use our framework to model what is arguably South East Asia's most complex VAT system: that of Vietnam. We analyse the macroeconomic, industrial and distributional effects of simplifying Vietnam's complex VAT system. We simplify the system via a budget-neutral movement to one rate and removal of discretionary exemptions. This generates an aggregate welfare gain, but adverse distributional effects. Adverse distributional effects can be greatly ameliorated, at small cost to the aggregate welfare gain, via exclusion of paddy and rice from the VAT simplification program.

Keywords: Value-added; tax; Dynamic; CGE; Vietnam; Indirect; tax; reform (search for similar items in EconPapers)
Date: 2010
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Working Paper: Modelling Value-Added Tax in the Presence of Multiproduction and Differentiated Exemptions (2009) Downloads
Working Paper: Modelling value-added tax in the presence of multiproduction and differentiated exemptions (2009) Downloads
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