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FIRST RULE OF SCARCITY: The first of seven basic rules of the economy. It is the fundamental fact of economic life that he world is faced with limited resources but unlimited wants and needs satisfied from these resources.

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MARGINAL COST

The change in total cost (or total variable cost) resulting from a change in the quantity of output produced by a firm in the short run. Marginal cost (MC) indicates how much total cost changes for a given change in the quantity of output. Because changes in total cost are matched by changes in total variable cost in the short run (total fixed cost is fixed), marginal cost is the change in either total cost or total variable cost. It is found by dividing the change in total cost (or total variable cost) by the change in output. Marginal cost is one of four cost concepts used in short-run production analysis. The other three are average total cost, average fixed cost, and average variable cost.

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Today, you are likely to spend a great deal of time waiting for visits from door-to-door solicitors seeking to buy either a coffee cup commemorating the first day of spring or a printer that works with your stockpile of ink cartridges. Be on the lookout for malfunctioning pocket calculators.
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Lombard Street is London's equivalent of New York's Wall Street.
"He, who every morning plans the transactions of the day, and follows that plan, carries a thread that will guide him through a labyrinth of the most busy life."

-- Victor Hugo, Writer

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