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LAW OF DEMAND: The inverse relationship between demand price and the quantity demanded, ceteris paribus. This fundamental economic principle indicates that as the price of a commodity decreases, then the quantity of the commodity that buyers are able and willing to purchase in a given period of time, if other factors are held constant, increases. This law is incredibly important to the study of economics. If you compiled a top ten list of economically important laws, the law of demand would be right there at the top.
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Lesson 9: Consumer Demand | Unit 3: Marginal Utility
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Page: 10 of 22
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Topic:
Incremental Satisfaction
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- While total utility is a handy measure, a more useful measure is marginal utility.
- Marginal utility is the additional utility, or satisfaction of wants and needs, obtained from the consumption or use of an additional unit of a good or service.
- Marginal utility is, in other words, the extra satisfaction achieved from an extra unit of good.
- A handy formula:
| marginal utility | = | change in total utility
change in quantity |
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SAVING SCHEDULE A table or chart that represents the relation between saving by the household sector and income. A saving schedule is commonly used for a basic, instructional presentation of aggregate saving activity by the household sector and is also used as a source of numbers for deriving the saving line. The key measures derived from the saving-income relation in the schedule are average propensity to save and marginal propensity to save. The consumption schedule is comparable, and more important, table for the relation between consumption and income.
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RED AGGRESSERINE
[What's This?]
Today, you are likely to spend a great deal of time visiting every yard sale in a 30-mile radius trying to buy either a small, foam rubber football or an instructional DVD on learning to the play the oboe. Be on the lookout for broken fingernail clippers.
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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 should never allow ourselves to be bullied by an either-or. There is often the possibility of something better than either of those two alternatives. " -- Mary Parker Follett, management coach
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S&D
Supply and Demand
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