Designing a Presumptive Income Tax Based on Turnover in Countries with Large Informal Sectors
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Summary:
Turnover (sales) is frequently used in developing countries as a presumptive income tax base, to economize on the costs of tax administration and taxpayer compliance. We construct a simple model where a size threshold separates firms paying turnover tax from those paying profit tax (regular income tax), and where firms have the option of producing in the untaxed, informal sector. The optimal turnover tax rate trades off two policy concerns: reducing informality and avoiding strategic reductions in sales by firms seeking to remain below the threshold for the profit tax. We provide analytical results and calibrate the model to compute the optimal policy using realistic parameter values. The optimal turnover tax rate for countries with large informal sectors is found to be around 2.5% across most scenarios, while the threshold separating the turnover tax regime from profit tax lies for the most part between $65,000 and $95,000. Introducing an optimally designed turnover tax reduces the rate of informality of businesses by about 12 percentage points in the calibrated model.
Series:
Working Paper No. 2023/267
Subject:
Compliance costs Presumptive tax Revenue administration Sales tax Tax return filing compliance Taxes
Frequency:
regular
English
Publication Date:
December 22, 2023
ISBN/ISSN:
9798400261015/1018-5941
Stock No:
WPIEA2023267
Format:
Paper
Pages:
47
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