Notes
Revised version of a paper presented at the biennial conference of the Economic Society of South Africa, University of Pretoria, 1993. Financial assistance provided by the Stellenbosch Economic Project and the University of Stellenbosch Research Fund is gratefully acknowledged. The article benefited from comments made on an earlier draft by Professors Colin McCarthy and Servaas van der Berg. The normal disclaimer applies.
Department of Economics. University of Stellenbosch.