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Publications (21)
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...
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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...
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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...
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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...
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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...
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This paper defines a role for human rights and human rights workers in the discussion of humanitarian emergencies. The approach is to look at how human rights law, monitoring, and information can be useful in two ways: (1) to warn of an impending humanitarian emergency, and (2) as part of efforts to...
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– An Econometric Investigation into the Sources of Humanitarian Emergencies
This paper uses econometric methods and case-study evidence to examine the political economy of complex humanitarian emergencies, multidimensional crises characterized by warfare, state violence, disease, hunger, and displacement. We emphasize that economic variables often become salient through...
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This paper explains correlations between humanitarian emergencies and political economies of 'failing states' in Liberia and Sierra Leone. In both, Cold War era rulers acquired personal power through their influence over economic exchange, irrespective of conventional public/private distinctions...
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– The Political Economy of Emergency in Haiti
Towards the Abyss? The Political Economy of Emergency in Haiti analyzes the various factors that have contributed to create a protracted humanitarian emergency situation in Haiti. The first section deals with the economic causes, the interplay between population growth, erosion and falling rural...
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– The Political Economy of Humanitarian Emergencies
This paper uses econometric methods and case-study evidence to examine the political economy of complex humanitarian emergencies, multidimensional crises characterized by warfare, disease, hunger, and displacement. We find that stagnation and decline in real GDP, high income inequality, inflation...
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This diagnostic study explores the political conditions that are associated with humanitarian emergencies. It employs a risk rather than cause-effect methodology. Humanitarian emergencies are not random events. They occur most frequently in states having the following characteristics: i) more than...
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– Lessons from El Salvador
This paper develops and tests five hypotheses regarding the economic causes of complex humanitarian emergencies (CHEs). We argue that: (1) such emergencies, involving large-scale deaths and population displacements, are most likely to occur when growth is slow, negative, or falls far short of...
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– A Case of a Humanitarian Emergency
The recent history of Zaire presents a unique opportunity to understand and explain humanitarian emergencies. This monograph follows an inductive approach in analysing the trajectory of state-building in Zaire as a significant explanatory variable of humanitarian emergencies. By tracing the sources...
Displaying 16 of 21 results