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ACCELERATOR: The ratio between investment expenditures and the change in gross domestic product. This is based on the notion that business investment depends on the rate of growth of aggregate output. If the economy is expanding, in other words, then the business sector invests in more capital goods to produce the extra output needed. This accelerator effect modifies and magnifies the simply multiplier effect based on the induced consumption and the marginal propensity to consume.
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FOUR-FIRM CONCENTRATION RATIO The proportion of total output in an industry produced by the four largest firms in an industry. This is one of two common concentration ratios. The other is the eight-firm concentration ratio. Another related measure is the Herfindahl index. The four-firm concentration ratio is commonly used to indicate the degree to which an industry is oligopolistic and the extent of market control held by the four largest firms in the industry.
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BROWN PRAGMATOX [What's This?]
Today, you are likely to spend a great deal of time wandering around the shopping mall seeking to buy either a printer that works with your stockpile of ink cartridges or income tax software. Be on the lookout for cardboard boxes. Your Complete Scope
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North Carolina supplied all the domestic gold coined for currency by the U.S. Mint in Philadelphia until 1828.
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"Advice is like snow ‚ the softer it falls, the longer it dwells upon and the deeper it sinks into the mind. " -- Samuel Taylor Coleridge, poet
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BPEA Brookings Papers on Economic Activity
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