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FIXED INVESTMENT: Capital investment expenditures for factories, machinery, tools, and buildings. This is one of two main categories of gross private domestic investment included in the National Income and Product Accounts maintained by the Bureau of Economic Analysis. The other category is change in business inventories. This is that category is about generally about 95-97% of gross private domestic investment and that includes the capital goods that best reflects what most people consider capital investment. This category includes factories, machinery, tools, and buildings.

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MARGINAL COST AND LAW OF DIMINISHING MARGINAL RETURNS

Decreasing then increasing marginal cost, reflected by a U-shaped marginal cost curve, is the result of increasing then decreasing marginal returns. In particular the decreasing marginal returns is caused by the law of diminishing marginal returns. As such, the law of diminishing marginal returns affects not only the short-run production of a firm but also the cost of short-run production. This translates into a positively-sloped supply curve for profit-maximizing competitive firms.

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Today, you are likely to spend a great deal of time at a dollar discount store wanting to buy either a birthday gift for your mother or a weathervane with a horse on top. Be on the lookout for fairy dust that tastes like salt.
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Rosemary, long associated with remembrance, was worn as wreaths by students in ancient Greece during exams.
"The only profit center is the customer."

-- Peter Drucker, educator

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