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TANSTAAFL: A rather cumbersome and usually hard to remember acronym for the expression "There ain't no such thing as a free lunch. This is a favorite saving of many economists because it highlights, albeit in a grammatically questionable manner, the fundamental problem of scarcity. The phrase serves to emphasize that seemingly "free" lunches are not really free. While they might be free to the customer, someone must pay, that is, incur an opportunity cost of foregone production. The lunch eaten by one person cannot be eaten by another.
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DERIVATION, CONSUMPTION LINE A consumption line, a graphical depiction of the relation between household sector consumption and income, can be derived from a simple consumption schedule, a table or chart showing the relation between household sector consumption and income. This is easily accomplished by plotting the consumption-income pairs from the schedule as points in a diagram that measures consumption on the vertical axis and income on the horizontal axis, then connection the points with a line. The consumption line can also be derived directly by plotting the consumption function using slope and intercept values.
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BLUE PLACIDOLA
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Today, you are likely to spend a great deal of time searching for rummage sales hoping to buy either a coffee cup commemorating the moon landing or a how-to book on surfing the Internet. Be on the lookout for pencil sharpeners with an attitude.
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Natural gas has no odor. The smell is added artificially so that leaks can be detected.
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"Far and away the best prize that life has to offer is the chance to work hard at work worth doing." -- Theodore Roosevelt, 26th US president
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JPAM
Journal of Policy Analysis and Management
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