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SHORT-RUN SUPPLY CURVE, MONOPOLY: Market control by a monopoly firm means that it does not have a supply relation between the quantity of output produced and the price. By way of comparison a perfectly competitive firm does have a short-run supply curve. Market control by a monopoly means that it price is NOT equal to marginal revenue, and thus it does NOT equate marginal cost and price. As such, a monopoly firm does not move along it's marginal cost curve. A monopoly does not necessarily supply larger quantities at higher prices or smaller quantities at lower prices.
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Lesson 8: Market Shocks | Unit 2: Determinants
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Page: 4 of 20
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Shifts in the demand curve are originated by changes in the demand determinants and shifts in the supply curve by changes in the supply determinants. Determinant changes cause shifts: - Increase in demand is a rightward shift.
- Decrease in demand is a leftward shift.
- Increase in supply is a rightward shift.
- decrease in supply is a leftward shift.
Note that:- An increase in demand and an increase in supply both are rightward shifts.
- A decrease in demand and a decrease in supply both are leftward shifts.
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OLIGOPOLY, CONCENTRATION Oligopoly is a market structure that contains a small number of relatively large firms, meaning oligopoly markets tend to be concentrated. A small number of large firms account for a majority of total output. Concentration unto itself is not necessarily bad, but it often leads to inefficient behavior, such as collusion and nonprice competition. Concentration is measured in three ways--market share, concentration ratio, Herfindahl index.
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WHITE GULLIBON
[What's This?]
Today, you are likely to spend a great deal of time touring the new suburban shopping complex looking to buy either 500 feet of telephone cable or a package of 4 by 6 index cards, the ones with lines. Be on the lookout for slow moving vehicles with darkened windows.
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One of the largest markets for gold in the United States is the manufacturing of class rings.
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"We succeed in enterprises (that) demand the positive qualities we possess, but we excel in those (that) can also make use of our defects." -- Alexis de Tocqueville, Statesman
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IBS
International Bank for Settlements
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