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GROSS PRIVATE DOMESTIC INVESTMENT: Expenditures on capital goods to be used for productive activities in the domestic economy that are undertaken by the business sector during a given time period. This is the official item in the National Income and Product Accounts maintained by the Bureau of Economic Analysis measuring capital investment expenditures. Gross private domestic investment tends to be the least stable of the four expenditures, averaging between 12-18% of gross domestic product.

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ARC ELASTICITY

The average elasticity for discrete changes in two variables. The distinguishing characteristic of arc elasticity is that percentage changes are calculated based on the average of initial and ending values of each variable, rather than initial values. Arc elasticity is generally calculated using the midpoint elasticity formula. The contrast to arc elasticity is point elasticity. For infinitesimally small changes in two variables, arc elasticity is the same as point elasticity.

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Today, you are likely to spend a great deal of time strolling around a discount warehouse buying club wanting to buy either a decorative windchime with plastic or a flower arrangement for that special day for your mother. Be on the lookout for pencil sharpeners with an attitude.
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In his older years, Andrew Carnegie seldom carried money because he was offended by its sight and touch.
"I can feel guilty about the past, apprehensive about the future, but only in the present can I act."

-- Abraham Maslow, Psychologist

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