March 17, 2018 

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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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Lesson 1: Economic Basics | Unit 2: Doing Economics Page: 5 of 18

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The two biggest, broadest fields in economics are:
  • Macroeconomics is the study of the aggregate economy, the entire pie, the whole forest. Macroeconomics is interested in things like gross production, unemployment, inflation, and recession.
  • Microeconomics is the study of parts of the economy, the slices of the pie, the trees of the forest. Microeconomics is interested in topics like market prices, consumer behavior, production costs, and competition.

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Seven economic statistics that tend to move up or down a few months AFTER business-cycle expansions and contractions. Most importantly, these measures indicate peak and trough turning points about three to twelve months after they occur. Lagging economic indicators are one of three groups of economic measures used to track business-cycle activity. The other two are coincident economic indicators and leading economic indicators.

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