"The records of traditional safeguard provisions of the General Agreement on Tariffs and Trade and the World Trade Organization provides useful information about how a special agricultural safeguard might be made effective. The success of existing safeguard or flexibility provisions to sustain...

"In this paper, the authors describe South Africa's value added tax (VAT), showing that (1) the VAT is mildly regressive, and (2) it is an effective source of government revenue, compared with other tax instruments in South Africa. They evaluate the VAT in the context of other distortions in the...