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LAW OF DIMINISHING MARGINAL RETURNS: A principle stating that as more and more of a variable input is combined with a fixed input in short-run production, the marginal product of the variable input eventually declines. This is THE economic principle underlying the analysis of short-run production for a firm. Among a host of other things, it offers an explanation for the upward-sloping market supply curve. How does the law of diminishing marginal returns help us understand supply? The law of supply and the upward-sloping supply curve indicate that a firm needs to receive higher prices to produce and sell larger quantities. Why do they need higher prices?
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Lesson 3: Scarcity | Unit 4: College Cost
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Page: 12 of 17
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An example of the opportunity cost of attending college.- Tuition, fees, textbooks, sliderule, etc. ($932.71 per semester) is an explicit opportunity cost.
- The opportunity cost is all other things that you could have bought with this money-fuzzy dice, hot fudge sundaes, a used Ford Pinto, music CDs.
- The tuition cost of your college degree is the added up over all semesters ($7,461,68).
However, the TOTAL COST actually goes well beyond this explicit $7,461,68 payment, since there are other costs that don't involve a money payment:- By attending school you have foregone alternative activities like working.
- Unearned income, $15,000 per year, $60,000 for four years, is an extremely important implicit opportunity cost of a college education.
- Implicit opportunity costs need not have a dollar value attached.
- The foregone satisfaction from activities like watching television or sleeping, are also implicit opportunity costs.
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AVERAGE REVENUE PRODUCT Total revenue generated per unit of a variable input, keeping all other inputs unchanged. Average revenue product, usually abbreviated ARP, is found by dividing total revenue by the variable input or by multiplying average physical product by average revenue. Average revenue product is a part of marginal productivity theory used to analyze the demand for productive inputs.
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WHITE GULLIBON
[What's This?]
Today, you are likely to spend a great deal of time wandering around the downtown area looking to buy either a coffee cup commemorating next Thursday or a replacement remote control for your stereo system. Be on the lookout for jovial bank tellers.
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The Dow Jones family of stock market price indexes began with a simple average of 11 stock prices in 1884.
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"The best way to cheer yourself up is to try to cheer somebody else up." -- Mark Twain
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G-10
Group of Ten
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