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PHYSICAL SCIENCE: The scientific study of nonhuman, nonsociety phenomenon, such as atoms, planets, wildlife, and continental drift. Common disciplines that study these physical phenomenon go by the names physics, chemistry, biology, geology, and astronomy, among others. The primary reason for this entry is to provide a contrast with social sciences, especially economics, that study human behavior and society.
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MARGINAL RETURNS The change in the quantity of total product resulting from a unit change in a variable input, holding all other inputs fixed. Marginal returns is an older and more generic term for marginal product. While marginal product has largely replaced marginal returns in most discussions of short-run production, the phrase does persist in a few terms like the law of diminishing marginal returns.
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The first paper currency used in North America was pasteboard playing cards "temporarily" authorized as money by the colonial governor of French Canada, awaiting "real money" from France.
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"We may affirm absolutely that nothing great in the world has been accomplished without passion." -- Hegel
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Bank Note
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