The issue focused on South Africa's enforcement of trade restrictions with China. The paper looked at how much economic activity was directly affected by the exchange rate and found that there were between two and four times as many cars bought in China than cars imported from China.

If cars were purchased for import into South Africa, about 20 per cent were cars bought from China. If cars were purchased for export to China, more than 80 per cent were cars bought from China.

He said cars sold in South Africa would