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RETURNS TO SCALE: Changes in production the occurs when all resources are proportionately increased in the long run. Returns to scale answers the question: If labor, capital, and ALL other inputs increase by 10%, does output increase by more than 10%, less than 10%, or exactly 10%? These answers indicate that returns to scale can take one of three forms: increasing returns to scale, decreasing returns to scale, and constant returns to scale.
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Lesson 15: Cost | Unit 5: Previewing Supply
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Page: 24 of 24
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In this unit, you should have learned about:- The connection between the principles of short-run production and short-run cost.
- How the three stages of production are reflected in the short-run cost curves.
- How increasing marginal cost provides an explanation for the direct relation between supply price and quantity supplied that is the law of supply.
- A preview of market structures that are do not follow the law of supply because they are not guided by the marginal cost curve when making production decisions.
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TOTAL REVENUE The revenue received by a firm for the sale of its output. Total revenue is one two bits of information a firm needs to calculate economic profit, the other is total cost. In general, total revenue is the price times quantity--the price received for selling a good times the quantity of the good sold at that price. For a perfectly competitive firm, which receives a single unchanging price for all output sold, the calculation is relatively easy. For other real world firms, that charge different prices to different buyers for different quantities, the calculation can be more complex. Two other revenue measures directly related to total revenue are average revenue and marginal revenue. Total revenue is often depicted as a total revenue curve.
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GRAY SKITTERY
[What's This?]
Today, you are likely to spend a great deal of time flipping through mail order catalogs trying to buy either a coffee cup commemorating the moon landing or a how-to book on surfing the Internet. Be on the lookout for florescent light bulbs that hum folk songs from the sixties.
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This isn't me! What am I?
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Two and a half gallons of oil are needed to produce one automobile tire.
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"Sometimes when you innovate, you make mistakes. It is best to admit them quickly and get on with improving your other innovations. " -- Steve Jobs, Apple Computer founder
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P/E
Price-Earnings Ratio
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