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NATIONAL SCIENCE FOUNDATION: An independent agency of the U.S. Government whose main goals are: (1) to promote the progress of science, (2) to advance the national health, prosperity, and welfare, and (3) to secure the national defense. The National Science Foundation (NSF) funds research and education in science and engineering through grants, contracts, and cooperative agreements in all parts of the United States. The governing board of the NSF is the National Science Board, which is composed of 24 part-time members, appointed by the President and confirmed by the Senate. The NSF was established by the National Science Foundation Act signed by President Harry S. Truman in 1950.
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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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Only 1% of the U.S. population paid income taxes when the income tax was established in 1914.
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"Be willing to have it so. Acceptance of what has happened is the first step to overcoming the consequences of any misfortune." -- William James, Psychologist
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AVC
Average Variable Cost
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