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goods that are unrelated to each other; the rise in the price of one product will have no effect on the price of other unrelated products.
goods and services that are harmful in some way; such as cigarettes.
(also called the primary industry) industries based on raw materials that come from the earth....
measures the changes in the cost of production of goods
when the long run average cost per unit rises with an increase in output.
refers (in South Africa) to the body of knowledge that is part of African philosophy and social...