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July 19, 2026 

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LOSS LEADER: Products sold below cost by a retail store in an attempt to attract buyers who are likely to buy other, more expensive, stuff. Stores are very fond of advertising and even selling popular products at very low prices. However, they hope that once customers have seen fit to enter their stores, then the suckers, er, customers will decide to buy other products that aren't so popular or so low priced. These popular, low-priced products are loss leaders. Sure the store loses profit on the products, but they make up these loses on other stuff.

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CONCENTRATION RATIOS

A family of measures of the proportion of total output in an industry that is produced by a given number of the largest firms in the industry. The two most common concentration ratios are for the four largest firms and the eight largest firms. The four-firm concentration ratio is the proportion of total output produced by the four largest firms in the industry and the eight-firm concentration ratio is proportion of total output produced by the eight largest firms in the industry. Concentration ratios are commonly used to indicate the degree to which an industry is oligopolistic and the extent of market control of the largest firms in the industry. A related measure is the Herfindahl index.

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ORANGE REBELOON
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Today, you are likely to spend a great deal of time searching for a specialty store looking to buy either a coffee cup commemorating yesterday or a replacement remote control for your television. Be on the lookout for letters from the Internal Revenue Service.
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The 1909 Lincoln penny was the first U.S. coin with the likeness of a U.S. President.
"After climbing a great hill, one finds many more hills to climb. "

-- Nelson Mandela, president of South Africa

JRE
Journal of Regulatory Economics
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