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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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AUTONOMOUS GOVERNMENT PURCHASES Government purchases by the government sector that do not depend on income or production (especially national income or gross domestic product). That is, changes in income do not generate changes in government purchases. Autonomous government purchases are best thought of as government purchases that the government sector undertake independent of income. They are measured by the intercept term of the government purchases line. The alternative to autonomous government purchases is induced government purchases, which do depend on income.
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BEIGE MUNDORTLE
[What's This?]
Today, you are likely to spend a great deal of time flipping through the yellow pages hoping to buy either a box of multi-colored, plastic paper clips or several orange mixing bowls. Be on the lookout for gnomes hiding in cypress trees.
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This isn't me! What am I?
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A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court!
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"Adversity is another way to measure the greatness of individuals. I never had a crisis that didn't make me stronger. " -- Lou Holtz, Football Coach
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NIPA
National Income and Product Accounts
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