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HERFINDAHL-HIRSHMAN 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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THREE QUESTIONS OF ALLOCATION

The three basic questions that an economy must answer because of limited resources and unlimited wants and needs are: What? How? and For Whom? The basic problem of scarcity requires every society to determine: What goods to produce? How to produce the goods? And who receives the goods that are produced?

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ORANGE REBELOON
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Today, you are likely to spend a great deal of time going from convenience store to convenience store wanting to buy either a package of 4 by 6 index cards, the ones with lines or a 50 foot extension cord. Be on the lookout for deranged pelicans.
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Okun's Law posits that the unemployment rate increases by 1% for every 2% gap between real GDP and full-employment real GDP.
"The human race has only one really effective weapon and that is laughter."

-- Mark Twain

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