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goods and services that are harmful in some way; such as cigarettes.
a form of centrally planned economy where all capital; natural resources and businesses are...
the reduction in the quality of the land; the vegetation cover and soil moisture caused by the...
the situation that exists when the last rand that is spent on one product gives the same...
when demand and supply are allowed to operate freely to form prices.
(also called an index) a series of index numbers with a fixed time period; such as a year or a...