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PERFECT COMPETITION, SHORT-RUN PRODUCTION ANALYSIS: A perfectly competitive firm produces the profit-maximizing quantity of output that equates marginal revenue and marginal cost. This production level can be identified using total revenue and cost, marginal revenue and cost, or profit. Because a perfectly competitive firm faces a perfectly elastic demand curve, it efficiently allocates resources by equating price and marginal cost. In addition, the marginal cost curve above the average variable cost curve is the perfectly competitive firm's short-run supply curve.
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Lesson 16: Perfect Competition | Unit 3: Doing Graphs
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Page: 17 of 28
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Topic:
Short-Run Supply
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- The short-run supply curve:
- A perfectly competitive firm's short run supply curve is that segment of it's marginal cost curve that above lies above the average variable cost curve.
- Three key points:
- A profit-maximizing firm produces the quantity of output that equates marginal revenue and marginal cost (MR = MC).
- A perfectly competitive firm is characterized by the equality between price and marginal revenue (P = MR).
- The law of diminishing marginal returns means that the marginal cost curve has a positive slope.
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BALANCED-BUDGET MULTIPLIER A measure of the change in aggregate production caused by equal changes in government purchases and taxes. The balanced-budget multiplier is equal to one, meaning that the multiplier effect of a change in taxes offsets all but the initial production triggered by the change in government purchases. This multiplier is the combination of the expenditures multiplier, which measures the change in aggregate production caused by changes in an autonomous aggregate expenditure, and the tax multiplier which measures the change in aggregate production caused by changes in taxes.
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WHITE GULLIBON
[What's This?]
Today, you are likely to spend a great deal of time browsing through a long list of dot com websites trying to buy either a flower arrangement with a lot of roses for your grandmother or a wall poster commemorating the first day of winter. Be on the lookout for infected paper cuts.
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The portion of aggregate output U.S. citizens pay in taxes (30%) is less than the other six leading industrialized nations -- Britain, Canada, France, Germany, Italy, or Japan.
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"You have to find something that you love enough to be able to take risks, jump over the hurdles and break through the brick walls that are always going to be placed in front of you. If you don't have that kind of feeling for what it is you're doing, you'll stop at the first giant hurdle. " -- George Lucas
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LS
Least Squares
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