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SHORT-RUN SUPPLY CURVE: For a perfectly competitive firm, the marginal cost curve that lies above the average variable cost curve. This segment of the marginal cost guides a perfectly competitive firm's profit maximizing production as it equates price to marginal cost. Because the marginal cost curve is positively sloped (due to the law of diminishing marginal returns), each firm's supply curve and the market supply curve are also positively sloped. The law of diminishing marginal returns thus provides an explanation for the law of supply. However, this only works for firms with NO market control. Monopoly, monopolistic competition, and oligopoly, with market control, do not achieve the same result.
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Lesson 9: Consumer Demand | Unit 3: Marginal Utility
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Page: 11 of 22
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Topic:
Measuring Marginal Utility
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- We can easily calculate marginal utility using Edgar Millbottom's total utility values displayed at the right.
- To review, note that:
- The total amount of time spent at the beach increases from 0 to 8 hours.
- As the number of hours spent at the beach increases, total utility increases from 0 to 42 utils, then decreases.
- The maximum utility of 42 utils is reached for 6 or 7 hours at the beach.
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BALANCE ON SERVICES A subset of the balance of payments current account that records the difference between the payments received for exports of services to other nations and the payments made for the imports of services from other nations. The flow of payments is for intangible services, not for physical or tangible goods. The balance on services is thus appropriately divided into services exported and services imported. Two other subsets of the current account include the balance on merchandise trade and unilateral transfers. The commonly termed balance of trade is the sum of the balance on merchandise trade and the balance on services.
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time at a garage sale hoping to buy either pink cotton balls or a genuine down-filled comforter. Be on the lookout for celebrities who speak directly to you through your television.
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A half gallon milk jug holds about $50 in pennies.
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"The time to repair the roof is when the sun is shining." -- John F. Kennedy, 35th U. S. president
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QR
Quantitative Restriction
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