Estimating the Impact of Minimum Wages on Employment, Wages and Non-wage Benefits: The Case of Agriculture in South Africa
AbstractAssessments of the impact of minimum wages on labour market outcomes in Africa are relatively rare. In part this is because the data available do not permit adequate treatment of econometric issues that arise in such an assessment. This paper attempts to estimate the impact of the introduction of a minimum wage law within the Agriculture sector in South Africa, based on 15 waves of the biannual Labour Force Survey (LFS), starting in September 2000 and ending in September 2007. The chosen sample includes six waves before the legislations effective date (March 2003) and nine afterwards. All 15 waves are pooled and treated as repeated cross sections over time. In order to assess whether the changes experienced by farm workers are unique, we identify a control group that has similar characteristics to the treatment group. Our econometric approach involves using two alternative specifications of a difference-in-differences model. We test whether employers reduced employment, and whether they responded at the intensive margin by reducing hours of work. The law also required non-wage benefits to be implemented, and we track the response here in the form of one such provision, namely that of a written contract. The results suggest a significant reduction in employment in Agriculture from the minimum wage, an increase in wages on average, no significant change in hours worked and a sharp rise in non-wage compliance. Acknowledgements: The research, from which this paper emanates, was funded by the International Development Research Centre (IDRC).
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Bibliographic InfoPaper provided by University of Cape Town, Development Policy Research Unit in its series Working Papers with number 12149.
Length: 20 pages
Date of creation: Jul 2012
Date of revision:
Publication status: Published in Working Paper Series by the Development Policy Research Unit, July 2012, pages 1-20
Minimum Wage; Agriculture; South Africa; Wage; Employment; Hours of Work;
Find related papers by JEL classification:
- J23 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Labor Demand
- J31 - Labor and Demographic Economics - - Wages, Compensation, and Labor Costs - - - Wage Level and Structure; Wage Differentials
- J32 - Labor and Demographic Economics - - Wages, Compensation, and Labor Costs - - - Nonwage Labor Costs and Benefits; Retirement Plans; Private Pensions
- J38 - Labor and Demographic Economics - - Wages, Compensation, and Labor Costs - - - Public Policy
- J41 - Labor and Demographic Economics - - Particular Labor Markets - - - Labor Contracts
- J43 - Labor and Demographic Economics - - Particular Labor Markets - - - Agricultural Labor Markets
This paper has been announced in the following NEP Reports:
- NEP-AFR-2012-09-22 (Africa)
- NEP-ALL-2012-09-22 (All new papers)
- NEP-LAB-2012-09-22 (Labour Economics)
- NEP-LMA-2012-09-22 (Labor Markets - Supply, Demand, & Wages)
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