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April 21, 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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MARGINAL UTILITY-PRICE RATIO

The ratio of the marginal utility obtained from consuming a good to the price of the good. This ratio is particularly important in determining consumer equilibrium, which is reached when the marginal utility-price ratios are the same for all goods. Equality between all marginal utility-price ratios is the rule of consumer equilibrium which is satisfied with utility maximization.

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Borrowing Through The FINANCIAL MARKETS

We never know whom we might encounter on our leisurely stroll through the economy. Passing by the marble columns of Interstate OmniBank -- the beacon of safety and security -- we have the good fortune of crossing paths with our Ivy-League-educated pillar of the financial community -- Winston Smythe Kennsington III. Although he seems to be a touch condescending, he's kind enough to show us a freshly signed check for $37 gadzillion, which is but a small part of a multi-gadzillion dollar loan from the Interstate OmniBank. To what constructive purpose Winnie will put these funds remains unclear; how this loan will be repaid, he never says; but Winnie proudly reminds us several times that this loan once again proves his unchallenged standing as the majordomo of the financial markets.
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PURPLE SMARPHIN
[What's This?]

Today, you are likely to spend a great deal of time strolling through a department store trying to buy either a travel case for you toothbrush or a looseleaf notebook binder. Be on the lookout for telephone calls from long-lost relatives.
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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.
"Inside the ring or out, ain't nothing wrong with going down. It's staying down that's wrong. "

-- Muhammad Ali

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