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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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TWO-SECTOR INJECTIONS-LEAKAGES MODEL

A variation of the Keynesian injections-leakages model that includes the two private sectors, the household sector and the business sector. This variation, often termed the saving-investment model or private sector injections-leakages model, captures the interaction between induced saving (and indirectly induced consumption expenditures) and autonomous investment expenditures. This model provides an alternative to the two-sector aggregate expenditures (Keynesian cross) analysis of the macroeconomy, including equilibrium, disequilibrium, and the multiplier. Equilibrium is identified as the intersection between the saving line and the investment line. Two related variations are the three-sector injections-leakages model and the four-sector injections-leakages model.

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Today, you are likely to spend a great deal of time touring the new suburban shopping complex looking to buy either a weathervane with a horse on top or a case of blank recordable DVDs. Be on the lookout for the last item on a shelf.
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Helping spur the U.S. industrial revolution, Thomas Edison patented nearly 1300 inventions, 300 of which came out of his Menlo Park "invention factory" during a four-year period.
"There is no twilight zone of honesty in business. A thing is right or it's wrong. It's black or it's white. "

-- John F. Dodge, automaker

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