Completed research
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Working paper
This paper presents version 4.0 of the CIT-IRP5 firm-level panel dataset. Version 4.0 is the latest edition of the firm-level component of the combined administrative data using sources from the South African Revenue Service. We...
December 2021
Enterprise development
Working paper
How does centralized bargaining affect the broader wage structure? And what does this tell us about the (non-)competitive dynamics of such labour markets? I study large contracted wage increases negotiated by centralized bargaining councils in...
September 2021
Labour market and inequality
Working paper
This paper analyses the permanent and temporary differences of South African firms for the period covered in the SARS-NT panel. The analysis provides valuable information about the differences between accounting profits and the taxable income...
September 2021
Public revenue
Working paper
Enterprise development, especially expansion into export markets, is essential to create employment and unlock growth potential in many economies, including in sub-Saharan Africa. However, both firm and product survival (mainly in the export market) is...
July 2021
Enterprise development
Working paper
We present new evidence on the effects of South Africa’s Employment Tax Incentive (ETI), a hiring and employment wage subsidy aimed at reducing youth unemployment. We show that attempts to estimate firm-level treatment effects via...
July 2021
Labour market and inequality
Working paper
In this paper we explore South Africa’s personal income tax system using two microsimulation models. The first, SAMOD, simulates personal income tax and social benefits using a dataset derived from the nationally representative National Income...
July 2021
Public revenue
Working paper
There is a large literature on the minimum wage focused on directly exposed firms and geographies. This paper provides new evidence that the minimum wage has significant spillover effects on firms exposed to the minimum...
June 2021
Enterprise development
Working paper
Overall income inequality in South Africa is very high, and inequality generated in the labour market is a key driver of inequality. In this paper, I use the Post-Apartheid Labour Market Series, the General Household...
May 2021
Labour market and inequality
Working paper
We study the role of trade credit in enhancing the resilience of financially constrained firms from 2010 to 2017. Implicit borrowing in trade finance allows financially constrained firms to bridge the financing gap, expand employment...
May 2021
Enterprise development
Working paper
This paper uses firm-level data and a news-based measure of economic policy uncertainty to provide empirical evidence that economic policy uncertainty has a negative impact on firm-level investment in South Africa.
March 2021
Macro-fiscal analysis
Working paper
Assessing pension-related tax expenditures in South Africa: Evidence from the 2016 retirement reform
In 2016, the South African government introduced a comprehensive reform to simplify and harmonize the pension system in order to incentivize pension savings and increase the fairness of the retirement system. Using administrative tax micro-data...
March 2021
Public revenue
Technical note
The identification of foreign firms and South African multinational enterprises (MNEs) in the CIT-IRP5 panel has proved to be a challenge for many researchers. The CIT-IRP5 panel contains variables indicating different thresholds that determine foreign...
January 2021
Working paper
This paper examines the relationship between monetary policy and wealth inequality in South Africa. We employed a unique database of tax administrative data which allowed us to account for individual heterogeneity. These tax data span...
December 2020
Macro-fiscal analysis
Working paper
Using the South African Revenue Service and National Treasury firm-level panel data for 2009–17, this paper investigates how global value chain-related trade affects the export performance of manufacturing firms in South Africa. In particular, the...
November 2020
Enterprise development
Working paper
This paper documents the industry classification variables in the anonymized tax microdata available for research at the National Treasury Secure Data Facility in Pretoria. It discusses how the variables in the data are related to...
August 2020
Enterprise development
Working paper
Inequality has been rising in most countries for several decades, with negative consequences for social cohesion and economic growth. Substantial gender wage gaps contribute significantly to overall wage inequality. We look at an often-overlooked driver...
August 2020
Labour market and inequality