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HERFINDAHL INDEX: A measure of concentration of the production in an industry that's calculated as the sum of the squares of market shares for each firm. This is an alternative method of summarizing the degree to which an industry is oligopolistic and the relative concentration of market power held by the largest firms in the industry. The Herfindahl index gives a better indication of the relative market control of the largest firms than can be found with the four-firm and eight-firm concentration ratios.

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DEMAND DECREASE AND SUPPLY INCREASE

A simultaneous decrease in the willingness and ability of buyers to purchase a good at the existing price, illustrated by a leftward shift of the demand curve, and an increase in the willingness and ability of sellers to sell a good at the existing price, illustrated by a rightward shift of the supply curve. When combined, both shifts result in an indeterminant change in equilibrium quantity and a decrease in equilibrium price.

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Today, you are likely to spend a great deal of time calling an endless list of 800 numbers trying to buy either storage boxes for your family photos or a large, stuffed giraffe. Be on the lookout for door-to-door salesmen.
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A half gallon milk jug holds about $50 in pennies.
"Progress begins with the belief that what is necessary is possible. "

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