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the additional costs to society of external factors such as the pollution of the air; ground and water during any production process.
(also called substitute products) goods that can be used instead of another product; a change in...
the opposite of free trade where restrictions are placed on international trade by import duties...
those that reach peaks or lows a few months before the business cycle; such as number of new...
a series of figures that show the rate at which prices are changing over a number of months or...
the proportion of a region's population that lives below the poverty line.