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August 22, 2026 

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HHI: The common abbreviation for the Herfindahl-Hirshman index (or the Herfindahl index), which is 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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TOTAL COST AND MARGINAL COST

A mathematical connection between marginal cost and total cost stating that marginal cost IS the slope of the total cost curve. This relation between total cost and marginal cost is also seen with total variable cost. The slope of the total variable cost curve is marginal cost, as well. The relation between total cost and marginal cost is but another in the long line of applications of the total-marginal relation.

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Paying TAXES

The time has come to take a firm stand! The Shady Valley Gazette Tribune-Journal has published an inflammatory editorial calling for a "pedestrian" tax on anyone who ambles around the economy. This tax, as every pedestrian would surely agree, is misguided and short-sighted. It's also unfair and probably unconstitutional. How DARE the editors of the Shady Valley Gazette Tribune-Journal call for a "pedestrian" tax. Sure they argue that ambling pedestrians should help pay for the sidewalks, traffic signals, and other assorted public goods. But, it's certainly not in MY best interest as a pedestrian to pay this misguided, short-sighted, unfair, and probably unconstitutional tax.
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ORANGE REBELOON
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Today, you are likely to spend a great deal of time looking for a downtown retail store trying to buy either a tall storage cabinet with five shelves and a secure lock or a birthday greeting card for your grandmother. Be on the lookout for cardboard boxes.
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The portion of aggregate output U.S. citizens pay in taxes (30%) is less than the other six leading industrialized nations -- Britain, Canada, France, Germany, Italy, or Japan.
"The roots of education are bitter, but the fruit is sweet."

-- Aristotle, Greek philosopher

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