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ARC ELASTICITY: The average elasticity for discrete changes in two variables, A and B. The distinguishing characteristic of arc elasticity is that percentage changes are calculated based on the average of the initial and ending values of each variable, rather than only initial values. Arc elasticity is generally calculated using the midpoint formula. Arc elasticity should be compared with point elasticity. For infinitesimally small changes in variables A and B, arc elasticity is the same as point elasticity.
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SERVICES, CONSUMPTION Personal consumption expenditures on activities that provide direct satisfaction of wants and needs without the production of tangible goods. Common examples are information, entertainment, and education. This is one of three categories of personal consumption expenditures in the National Income and Product Accounts maintained by the Bureau of Economic Analysis. The other two are durable goods and nondurable goods. Services are about 60 percent of personal consumption expenditures and 40 percent of gross domestic product.
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GREEN LOGIGUIN
[What's This?]
Today, you are likely to spend a great deal of time wandering around the shopping mall seeking to buy either storage boxes for your computer software CDs or a set of tires. Be on the lookout for small children selling products door-to-door.
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This isn't me! What am I?
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Al Capone's business card said he was a used furniture dealer.
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"Experience keeps a dear school, but fools will learn in no other. " -- Benjamin Franklin
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COLA
Cost of Living Adjustment
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