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COLLUSION AND EFFICIENCY: Colluding oligopolistic firms generally produce less output and charge a higher price than would be the case for a perfectly competitive industry. In essence, colluding oligopolistic firms function just as if a market were monopolized. The price charged by the colluding firms is higher than the marginal cost of production. The equality between price and marginal cost is THE key indication that resources are allocated efficiently and that society's resources are being used to generate the highest possible level of satisfaction. Because the colluding firms control the market like a monopoly, the market demand curve is THE demand curve for the colluding firms's. With a negatively-sloped demand curve, price is greater than marginal revenue. And because a profit-maximizing firm equates marginal revenue with marginal cost, the price charged by the colluding firms when the maximize industry profit is greater than marginal cost.
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AGGREGATE EXPENDITURES The total expenditures on gross domestic product undertaken in a given time period by the four sectors--household, business, government, and foreign. Expenditures made by each of these sectors are commonly termed consumption expenditures, investment expenditures, government purchases, and net exports. Aggregate expenditures (AE) are a cornerstone in the study of macroeconomics, playing critical roles in Keynesian economics, aggregate market analysis, and to a lesser degree, monetarism. In particular, aggregate expenditures are combined with the price level as aggregate demand.
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GRAY SKITTERY
[What's This?]
Today, you are likely to spend a great deal of time watching the shopping channel looking to buy either a remote controlled ceiling fan or a how-to book on home decorating. Be on the lookout for slightly overweight pizza delivery guys.
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The 22.6% decline in stock prices on October 19, 1987 was larger than the infamous 12.8% decline on October 29, 1929.
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"If you are neutral in situations of injustice, you have chosen the side of the oppressor. If an elephant has its foot on the tail of a mouse and you say that you are neutral, the mouse will not appreciate your neutrality." -- Desmond Tutu, activist
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JE
Journal of Econometrics
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