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December 16, 2018 

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OPERATING STATEMENT: A statement of the revenues, expenditures, and profit for a business, household, or government entity over a given period of time. An income statement also goes by the names profit and loss statement, earnings report, and income statement. This is one of two key financial statements for an entity. The other is a balance sheet, which is a statement of assets, liabilities, and net worth at a given point in time.

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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.

     See also | market share | oligopoly | concentration ratio | market control | antitrust laws |


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HHI, AmosWEB GLOSS*arama, http://www.AmosWEB.com, AmosWEB LLC, 2000-2018. [Accessed: December 16, 2018].


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LAW OF DIMINISHING MARGINAL UTILITY

A principle stating that as the quantity of a good consumed increases, eventually each additional unit of the good provides less additional utility--that is, marginal utility decreases. Each subsequent unit of a good is valued less than the previous one. The law of diminishing marginal utility helps to explain the negative slope of the demand curve and the law of demand.

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Today, you are likely to spend a great deal of time calling an endless list of 800 numbers wanting to buy either a lazy Susan for you dining room table or a set of serrated steak knives, with durable plastic handles. Be on the lookout for letters from the Internal Revenue Service.
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A U.S. dime has 118 groves around its edge, one fewer than a U.S. quarter.
"If things are not going well with you, begin your effort at correcting the situation by carefully examining the service you are rendering, and especially the spirit in which you are rendering it."

-- Roger Babson, statistician and columnist

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