Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/146226
Authors: 
Boonzaaier, Wian
Harju, Jarkko
Matikka, Tuomas
Pirttilä, Jukka
Year of Publication: 
2016
Series/Report no.: 
WIDER Working Paper 2016/36
Abstract: 
In this paper we study the effects of various tax schedule discontinuities on the behavior of small firms using high-quality and population-wide tax register data from South Africa. We use the bunching method to analyse how these discontinuities affect the firm-size distribution. We first examine how the value-added tax threshold affects the sales distribution of firms. We also study the effects of two separate corporate income tax rate kinks. We find sizable bunching at each of these thresholds. The elasticity estimates for the corporate tax kink points are large, ranging from 0.7 to 1.6, whereas the elasticity of the value added is below 0.1. We find some suggestive evidence that part of the response is driven by tax evasion.
Subjects: 
developing countries
value-added tax
corporate tax
VAT threshold
corporate tax kink
bunching
small firms
JEL: 
H21
H25
H32
O12
ISBN: 
978-92-9256-079-9
Document Type: 
Working Paper

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