36. '7
Figure 1: A conceptual framework for explaining illegal immigration into
Gauteng Province
Preliminary analysis shows Past studies suggest
–Legal immigration exist –Legal and illegal immigration
–Illegal immigration exist –Lack of reliable data on illegal migrants
–Information on some documented migrants
–Internal and external migration
Discrepancies in explanations
–Inaccurate figures of migrants
–Unreliable data about migrants
Theories of migration
Theoretical emphasis –Ravenstein's theory of migration
–Initial migration decisions based
on economic motives
Subsequent theories: Classical theories
–Micro-economic migration theories
–Macro-economic migration theories
–Multiple factors Subsequent theories: Neo-Classical theories
–Multiple motives –Informed by current circumstances
–Multi-dimensions of migration
Why is illegal immigration into Gauteng province continuing unabated?