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INCREASING-COST INDUSTRY: A perfectly competitive industry with a positively-sloped long-run industry supply curve that results because expansion of the industry causes higher production cost and resource prices. For an increasing-cost industry the entry of new firms, prompted by an increase in demand, causes the long-run average supply curve of each firm to shift upward, which increases the minimum efficient scale of production.
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MARGINAL PROPENSITY TO INVEST The change in business investment expenditures induced by a change in income or production (national income or gross domestic product). The marginal propensity to invest (abbreviated MPI) is another term for the slope of the investment line and is calculated as the change in investment divided by the change in income or production. The MPI plays a role in Keynesian economics. It augments the slope of the aggregate expenditures line and is part to the multiplier process. A related marginal measure is the marginal propensity to consume.
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time wandering around the downtown area hoping to buy either a Boston Red Sox baseball cap or a square lamp shade with frills along the bottom. Be on the lookout for gnomes hiding in cypress trees.
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This isn't me! What am I?
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A thousand years before metal coins were developed, clay tablet "checks" were used as money by the Babylonians.
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"In the long run men hit only what they aim at. " -- Henry David Thoreau, philosopher
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S&D
Supply and Demand
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