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LONG-RUN MARGINAL COST: The change in the long-run total cost of producing a good or service resulting from a change in the quantity of output produced. Like all marginals, long-run marginal cost is the increment in the corresponding total. What's most notable about long-run marginal cost, however, is that we are operating in the long run. Unlike the short run, in which at least one input is fixed, there are no fixed inputs in the long run. As such, there is only variable cost. This means that long-run marginal cost is the result of changes in the cost of all inputs.

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PERSONAL CONSUMPTION EXPENDITURES

The official item in the National Income and Product Accounts maintained by the Bureau of Economics Analysis that measures household consumption expenditures on gross domestic product. Personal consumption expenditures are far and away the largest and most stable of the four expenditures, averaging about 65 to 70 percent of gross domestic product. The other official expenditures included in the National Income and Product Accounts are gross private domestic investment, government consumption expenditures and gross investment, and net exports of goods and services.

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GREEN LOGIGUIN
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Today, you are likely to spend a great deal of time at a flea market trying to buy either a how-to book on meeting people or clothing for your pet iguana. Be on the lookout for strangers with large satchels of used undergarments.
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This isn't me! What am I?

A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court!
"When we do the best we can, we never know what miracle is wrought in our life or in the life of another. "

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Brookings Papers on Economic Activity
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