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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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EMPLOYED PERSONS

People who are actively engaged in the production of goods and services. This is one of three official categories used to classify individuals by the Bureau of Labor Statistics (BLS) based on information obtained from the Current Population Survey. The other two categories are unemployed persons and not in the labor force. The sum of employed persons and unemployed persons constitutes the civilian labor force.

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APLS

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Today, you are likely to spend a great deal of time strolling through a department store hoping to buy either a remote controlled ceiling fan or a how-to book on home decorating. Be on the lookout for the happiest person in the room.
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A U.S. dime has 118 groves around its edge, one fewer than a U.S. quarter.
"To succeed you need to find something to hold on to, something to motivate you, something to inspire you."

-- Tony Dorsett, Football player

ACIR
Advisory Council on Intergovernmental Relations
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