Tax Rates and Tax Evasion

Abstract

The study empirically examines the relationship between tax rates and tax evasion for Sri Lanka. This is examined in the context of border tax evasion, where I test for the presence of evasion via the ‘evasion gap’: the discrepancy between exports to Sri Lanka (as reported by Sri Lanka’s trade partners) and imports by Sri Lanka (as reported by Sri Lanka) for products imported by Sri Lanka from its top seven import partners in 2014. The study focuses on two forms of border tax evasion: underreporting and mislabelling. In addition, the study estimates the effect of a policy to bring selected value-added tax (VAT)-exempt products into the VAT net, on the evasion gap. Results from OLS estimation suggest that both forms of evasion are present. The difference-in-difference results of the impact of the policy change on the evasion gap are insignificant, but require post-treatment data to arrive at a more concrete conclusion.

JEL: H200, H260

Keywords

Tax evasion border taxes underreporting mislabelling

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