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PERFECT COMPETITION AND EFFICIENCY: Perfect competition is the idealized market structure that achieves an efficient allocation of resources. The conditions of perfect competition, including (1) large number of small firms, (2) identical products sold by all firms, (3) freedom of entry into and exit out of the industry, and (4) perfect knowledge of prices and technology, ensure that perfect competition efficiently allocates resources. This is in fact the purpose of perfect competition: a market structure that illustrates perfection, the best of all possible resource allocation worlds. The real world falls short of this perfection.

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INDUCED INVESTMENT

Business investment expenditures that depend on income or production (especially national income and gross domestic product). That is, changes in income induce changes in investment. Induced investment reflects the observation that the business sector is inclined to reinvest profits (boosted by a growing economy) in capital goods. It is measured by the marginal propensity to invest (MPI) and is reflected by the positive slope of investment line. The alternative to induced investment is autonomous investment, which does not depend on income.

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Today, you are likely to spend a great deal of time at a dollar discount store looking to buy either a set of serrated steak knives, with durable plastic handles or a pair of blue silicon oven mitts. Be on the lookout for rusty deck screws.
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Potato chips were invented in 1853 by a irritated chef repeatedly seeking to appease the hard to please Cornelius Vanderbilt who demanded french fried potatoes that were thinner and crisper than normal.
"How wonderful it is that nobody need wait a single moment before starting to improve the world. "

-- Anne Frank, diarist

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