References
- Central Statistical Service . 1976 . Census of agricultural and livestock production, 1976 , Pretoria : Department of Statistics .
- Central Statistical Service . 1981 . Census of agricultural and livestock production, 1981 , Pretoria : Department of Statistics .
- Central Statistical Service . 1988 . Agricultural survey, 1988 , Pretoria : Department of Statistics .
- Chhibber , A . 1982 . Dynamics of price and non‐price response of supply in agriculture , Stanford , CA : Stanford University Press .
- Cochrane , W W . 1955 . Conceptualizing the supply relationship in agriculture . Journal of Farm Economics , 37 : 1161 – 76 .
- Coleman , D and Rayner , A J . 1971 . Feed demand elasticities and agriculture's aggregate supply elasticity: Revision of the previous estimate and an explanatory note . Journal of Agricultural Economics , 22 : 125 – 9 .
- Directorate of Agricultural Economic Trends . 1990 . Abstract of agricultural statistics Pretoria
- Fabricius , A F . 1964 . Drought investigation: Northwestern Transvaal . South African Journal of Science , 60 (9) : 267 – 75 .
- Griliches , Z . 1959 . The demand for inputs in agriculture and a derived supply elasticity . Journal of Farm. Economics , 41 : 309 – 22 .
- Griliches , Z . 1960 . Estimates of the aggregate US farm supply function . Journal of Farm Economics , 42 : 282 – 93 .
- Herdt , R W . 1970 . A disaggregative approach to aggregate supply . American Journal of Agricultural Economics , 52 : 512 – 20 .
- Johnston , J . 1963 . Econometric methods , New York : McGraw‐Hill .
- Lafrance , J T and Burt , O R . 1983 . A modified partial adjustment model of aggregate US agricultural supply . Western Journal of Agricultural Economics , 8 : 1 – 12 .
- Mansfield , E . 1979 . Microeconomics. Theory and applications , New York & London : W W Norton & Co. .
- Meissner , H H . 1982 . Vervangingswaardes van verskillende klasse van plaas‐diere en wild in terme van ‘n biologies‐gedefinieerde grootvee‐eenheid , Pretoria : Departement van Landbou, Vlesibeeste C. 3/1982 .
- Nieuwoudt , W L . 1970 . An economic analysis of the demand for resources and the supply of output in South African agriculture , University of Natal . PhD thesis,
- Pandey , S , Piggott , R R and Macauley , T G . 1982 . The elasticity of aggregate Australian agricultural supply: Estimates and policy implications . Australian Journal of Agricultural Economics , 26 : 202 – 19 .
- Peterson , W . 1979 . International farm prices and the social cost of cheap food policies . American Journal of Agricultural Economics , 61 : 12 – 21 .
- Peterson , W . 1986 . Land quality and prices . American Journal of Agricultural Economics , 68 : 812 – 19 .
- Peterson , W . 1987 . International land quality indexes , University of Minnesota, Department of Agricultural and Applied Economics . Staff Paper.
- Peterson , W . 1988 . International supply response . Agricultural Economics , 2 : 365 – 74 .
- Rao , J M . 1989 . Agricultural supply response: A survey . Agricultural Economics , 3 : 1 – 22 .
- Thomsen , F L and Foote , R J . 1952 . Agricultural prices , New York : McGraw‐Hill .
- Tomek , W G and Robinson , K L . 1981 . Agricultural product prices , Ithaca : Cornell University Press .
- Tweeten , L G and Quance , L . 1969 . Positive measures of agricultural elasticities: Some new approaches . American Journal of Agricultural Economics , 51 : 342 – 52 .
- Van Den Noordt , P C . 1969 . The aggregate supply function of US agriculture, 1901‐1965 . Netherlands Journal of Agricultural Science , 17 : 14 – 19 .
- Van Schalkwyk , H D . 1992 . Bronkwaliteit, produktiwiteit en aanbod in die RSA landbou , University of Pretoria . Unpublished M Com thesis,
- Van Schalkwyk , H D and Groenewald , J A . 1991 . ‘n Suid‐Afrikaanse hulpbron kwaliteit indeks . Agrekon , 30 : 224 – 9 .
- Department of Agricultural Economics. Extension and Rural Development. University of Pretoria. The authors wish to thank the Institute of Research Development (IRD) of the Human Sciences Research Council (HSRC) for financial assistance. Opinions expressed in this article are those of the authors and should not be ascribed to the IRD or HSRC.