Category: Nids based research
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pdf.png Adapting the South African National Income Dynamics Study for use as a base micro-data set for SAMOD A Tax-benefit Micro-simulation Model (2) 2011

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In this paper we present the main data issues that were confronted when the first wave of the National Income Dynamics Study (NIDS) 2008 was adapted for use as the micro-data underlying a recently developed static  tax-benefit micro-simulation model for South Africa (SAMOD). NIDS is the first national household panel survey in South Africa. SAMOD V1.1, which is based on the EUROMOD platform, was initially underpinned by a dataset derived primarily from the South African Income and Expenditure Survey 2000 but additionally drew on data from several other national surveys. As the NIDS questionnaire is more comprehensive in scope than the IES by, for example, containing questions about intra-household relationships - it is better suited for determining eligibility for some of the existing social assistance arrangements such as the child support grant.



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2016-03-03
1.29 MB
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pdf.png Changes in Income Poverty over the Post-apartheid Period: An analysis Based on the 2008 National Income Dynamics Wave 1 Dataset HOT

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This paper compares the level and distribution of income poverty in the 2008 National Income Dynamics Study (NIDS) to that measured in the 1993 Project for Statistics on Living Standards and Development (PSLSD). Attempts are made to make the income variable as comparable as possible across the two surveys. This requires agricultural income and implied rental income from owner-occupied housing to be excluded from the measure of income. The potential bias resulting from these exclusions is also discussed. The paper finds that aggregate poverty fell between 1993 and 2008 and that this result is robust for a wide range of poverty lines. The poverty profile has changed over time, however. Urban poverty has increased significantly, driven largely by increased migration from rural to urban areas. The share of poverty in households where the household head has incomplete secondary education has also increased markedly.



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2016-03-03
1.13 MB
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pdf.png Poverty: Analysis of the NIDS Wave 1 Dataset 2009 HOT

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This report offers a brief application of the 2008 income and expenditure data from the National Income Dynamics Study (NIDS) to the analysis of poverty in South Africa. The per capita figures of household income and expenditure were constructed by dividing the final derived figures for total income and total expenditure in the data by the number of people living in the household. All of the analysis below makes use of post-stratified sampling weights in order to make the results reflective of the South African population, rather than the NIDS sample. Conventional poverty measures and dominance analyses are presented and interpreted in aggregate as well as across race and geographical area.



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2016-03-26
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pdf.png Access to Household Services and Assets: Analysis using the NIDS Wave Dataset Discussion Paper no. 4 2009 HOT

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The main objective of this paper is to provide an overview of the findings from the first wave of NIDS in terms of access to household services and assets. A secondary objective is to provide a comparison of the results from NIDS with those from comparable household surveys. At the time of writing, the 2008 General Household Survey (GHS) has not yet been released and the results from NIDS are therefore compared with findings from the 2006 and 2007 GHS. The GHS is a nationally representative household survey conducted annually since 2002 by Statistics South Africa. The aim of this survey is to capture information on living conditions of South African households in order to evaluate government programmes and projects. The survey covers education, health, the labour market, housing and household access to services and facilities, as well as household assets.



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2016-03-28
1.06 MB
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pdf.png Social Assistance Grants: Analysis of the NIDS Wave 1 Dataset Discussion Paper no. 10 2009 HOT

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This report summarizes the initial findings of the National Income Dynamics Survey (NIDS) regarding social assistance grants in South Africa. A comparison to various other data sources is also included in order to highlight any shortfalls or strengths in the NIDS data in comparison to previous surveys.



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2016-03-28
622.37 KB
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pdf.png Intergenerational Mobility: Analysis of the NIDS Wave 1 Dataset 2009 HOT

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This report provides a very brief overview of the 2008 data from the National Income Dynamics Study (NIDS) for conducting intergenerational mobility research on education, occupation and income. It then goes on to undertake a preliminary analysis of intergenerational educational and occupational mobility as well as a cursory look at income mobility for co-residing parents and children.



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2016-04-09
955.62 KB
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pdf.png Planning for the South African National Income Dynamics Study (NIDS): lessons from the international experience 2006

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Only with panel data is it possible to control for unobserved heterogeneity.  Panel surveys are, however, more costly and complex than cross-sectional studies and this imposes several challenges in terms of planning and design. Issues related to planning and management include reconciling long-term needs and short-term resources, ensuring the comparability of measures from wave to wave, combining longitudinal analysis with cross-sectional analysis, documenting survey activities, and disseminating the outputs in a timely fashion. These issues are all discussed in this paper which makes some specific recommendations based on a review of the international experience. 



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2017-04-14
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pdf.png The Impact of Inequality on Social Cohesion: Evidence from NIDS Data 2016

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This paper investigates reported measures of trust in South Africa from the Social Cohesion module in the 2012 National Income Dynamics Study.



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2017-06-01
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pdf.png Food choices and Body Mass Index (BMI) in adults and children: Evidence from the National Income Dynamics Study (NIDS) and empirical research from Khayelitsha and Mitchells Plain in South Africa 2017

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The growing epidemic diverts scarce resources for the management of diseases such as diabetes and heart disease and impacts on the workplace as a result of increased absenteeism and decreased turnover. It is against this background that this research has focused on the link between food choices and Body Mass Index (BMI) in adults and children in South Africa. Both secondary data analysis and empirical fieldwork were used to gather the data required to answer the research question.



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2017-09-11
1.29 MB
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pdf.png Policy Brief: Food choices and Body Mass Index (BMI) in adults and children: Evidence from the National Income Dynamics Study (NIDS) and empirical research from Khayelitsha and Mitchells Plain in South Africa 2017

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The growing epidemic diverts scarce resources for the management of diseases such as diabetes and heart disease and impacts on the workplace as a result of increased absenteeism and decreased turnover. It is against this background that this research has focused on the link between food choices and Body Mass Index (BMI) in adults and children in South Africa. Both secondary data analysis and empirical fieldwork were used to gather the data required to answer the research question.



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2017-09-11
1.11 MB
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Theme 1: Poverty and inequality