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Publications (20)
Journal Article
This peer-reviewed research is available free of charge. UNU-WIDER believes that research is a global public good and supports Open Access.
– Evidence from South African tax registers
Part of Journal Special Issue
Public economics and development action
Working Paper
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The South African Revenue Service and National Treasury Firm-Level Panel is an unbalanced panel data set created by merging several sources of administrative tax data received during 2015. The four data sources that constitute the panel are: company income tax from registered firms who submit tax...
Working Paper
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The manufacturing sector is an important source of productivity growth and exports. Manufacturing firms are generally more productive than firms in the agricultural or services sectors and are an important source of job creation. Little is known about the productivity performance of the sector and...
Working Paper
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– An analysis with administrative data
This paper uses newly available firm-level tax data to evaluate the market structure in South African manufacturing sectors in the period 2010–12. To describe the market structure we compute markups for South African manufacturing firms and concentration indexes for 4-digit manufacturing sectors. We...
Working Paper
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– New evidence from South Africa
This paper uses firm-level data from company tax declarations to analyse the complementary relationship between direct access to imported intermediate inputs and manufacturing firm performance in South Africa. There are three main findings. The first is on firm heterogeneity, showing that importers...
Working Paper
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Existing South African work on firm-level data has been limited by access to large datasets that track firms over time. This paper overcomes this by analysing a new dataset of the population of manufacturing firms that are matched to their export transactions. South African firm-level exporting is...
Working Paper
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In this paper, worker and job flows are estimated using the IRP5 data from the South African Revenue Services. The data used in this paper is from the 2011–14 tax years and contains information on more than 12 million individuals and nearly 300,000 firms. The main finding of the paper is that worker...
Working Paper
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– Evidence from South African tax registers
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...
Working Paper
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– What Are the Issues at Stake?
The privatization trend affecting the state involvement in productive sectors is also challenging the role of the state in the provision of social services. And, as private participation in social sectors increases, a regulatory framework is needed to ensure that the market reaches socially...
Working Paper
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– A Critical Review
The aim of this paper is to review the principal assumptions and aspects of the unitary household model and collective models of household behaviour. Empirical studies are presented to assess whether the theories can offer adequate descriptions of household behaviour and to examine the types of...
Working Paper
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– A Long-Term Perspective
This paper discusses the main changes in infant, child and maternal mortality which have occurred over 1960-1995 in Sub-Saharan Africa and analyses the main factors responsible for the observed shifts in these health trends. To do so, the paper surveys the major mortality models discussed in the...
Working Paper
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– A Case Study of Tanzania
The first part of the paper describes steps which Tanzania took in order to provide key social services to her people. Tanzania made great efforts within the ujamaa socialist system to provide free social services for rural as well as urban people, regardless of their income level. Even after the...
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– Towards Synergy
In recent years churches, NGOs and community associations, commonly referred to as civic organizations, have been playing an increasing role in the provision of social services in response to fiscal stress, state inefficiency and an ideological environment favouring non-state action. In this paper...
Working Paper
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The analysis of the optimal funding of education is complicated by the numerous and serious market failures which are likely to characterize a free market for education. Prominent amongst these are the likely external benefits of education, stressed by some new economic growth models. However, no...
Working Paper
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– Concepts and Issues
This paper is the fruit of an attempt to distinguish the elements, present in a fiscal decentralization process, that are likely to contribute to efficiency enhancement in the provision of social services in developing countries. From the methodological point of view, the paper makes an effort...
Working Paper
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A good deal is known about what makes for successful economic development, but very little is known about how to get there - that entails an understanding of the process of economic change. The paper first examines the sources of successful growth and then explores the process of dynamic change of...
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