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MARKET: The organized exchange of commodities (goods, services, or resources) between buyers and sellers within a specific geographic area and during a given period of time. Markets are the exchange between buyers who want a good--the demand-side of the market--and the sellers who have it--the supply--side of the market. In essence, a buyer gives up money and gets a good, while a seller gives up a good and gets money. From a marketing context, in order to be a market the following conditions must exist. The target consumers must have the ability to purchase the goods or services. They must have a need or desire to purchase. The target group must be willing to exchange something of value for the product. Finally, they must have the authority to make the purchase. If all these variables are present, a market exits.

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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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GREEN LOGIGUIN
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Today, you are likely to spend a great deal of time at an auction wanting to buy either a computer that can play video games and burn DVDs or a black duffle bag with velcro closures. Be on the lookout for jovial bank tellers.
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The penny is the only coin minted by the U.S. government in which the "face" on the head looks to the right. All others face left.
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NAG
Net Annual Gain
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