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CARDINAL: A measurement based on a scale or quantitative numbers, such as 1, 5, or 357.2, that enables a comparison in magnitude. Comparability means, for example, that the difference between 5 and 2 is the same as the difference between 12 and 9. Measures such as height and weight use cardinal numbers. Most economic measures are based on cardinal numbers, including gross domestic product, unemployment rate, the price of chocolate, and the quantity of wheat produced. The benefit of cardinal measurement is the ability to directly compare one measure with another. If, for example, the price of chocolate is $1 a pound and the price of wheat is $4 a pound, then wheat is four times more expensive than chocolate. Ordinal measures, which involve relative ranking, is an alternative type of measure.
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U-SHAPED COST CURVES The family of short-run cost curves consisting of average total cost, average variable cost, and marginal cost, all of which have U-shapes. Each is U-shaped because it begins with relatively high but falling cost for small quantities of output, reaches a minimum value, then has rising cost at large quantities of output. Although the average fixed cost curve is not U-shaped, it is occasionally included with the other three just for sake of completeness.
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GREEN LOGIGUIN
[What's This?]
Today, you are likely to spend a great deal of time at a going out of business sale wanting to buy either a remote controlled sports car with an air spoiler or semi-gloss photo paper that works with your neighbor's printer. Be on the lookout for defective microphones.
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There were no banks in colonial America before the U.S. Revolutionary War. Anyone seeking a loan did so from another individual.
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"You don't have to be a fantastic hero to do certain things - to compete. You can be just an ordinary chap, sufficiently motivated to reach challenging goals." -- Sir Edmund Hillary, Explorer
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NAIRU
Non-Accelerating Inflation Rate of Unemployment
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