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UNPLANNED INVESTMENT: Investment expenditures that the business sector undertakes apart from those they intend to undertake based on expected economic conditions, interest rates, sales, and profitability. Another term for unplanned investment is change in inventories, which result when aggregate expenditures differ from aggregate output. Unplanned investment can be either positive or negative, meaning business inventories can either rise or fall. Should unplanned investment occur, then actual and planned investment differ, aggregate expenditures are not equal to aggregate output, and the macroeconomy is not in equilibrium.

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MARGINAL REVENUE PRODUCT AND FACTOR DEMAND

A perfectly competitive firm's factor demand curve is that negatively-sloped portion of its marginal revenue product curve. A perfectly competitive firm maximizes profit by hiring the quantity of input that equates factor price and marginal revenue product. As such, the firm moves along its negatively-sloped marginal revenue product curve in response to changing factor prices.

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APLS

YELLOW CHIPPEROON
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Today, you are likely to spend a great deal of time browsing through a long list of dot com websites looking to buy either an AC adapter that works with your MPG player or rechargeable batteries. Be on the lookout for poorly written technical manuals.
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Lombard Street is London's equivalent of New York's Wall Street.
"Live in such a way that you would not be ashamed to sell your parrot to the town gossip."

-- Will Rogers

ABE
Association of Business Executives
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