Abstract
Migrantlabour from external sources has been exploited by South Africa during the past century for obvious economic reasons: it is cheap, easily available, and largely controllable. Short-run fluctuations may arise for a variety of reasons, but in the long run, as W. G. Martin has attempted to demonstrate, demand patterns for foreign migrant workers, particularly on the mines, have generally reflected prevailing economic conditions.1. Events over the past decade or so have, however, made it difficult to distinguish between the effects of economic and political influences which have so dramatically altered the face of migration in Southern Africa.

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