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September 29, 2026 

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OLIGOPOLY, CONCENTRATION: Oligopoly is a market structure that contains a small number of relatively large firms, meaning oligopoly markets tend to be concentrated. A small number of large firms account for a majority of total output. Concentration unto itself is not necessarily bad, but it often leads to inefficient behavior, such as collusion and nonprice competition. Concentration is measured in three ways--market share, concentration ratio, Herfindahl index.

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FREE LUNCH

The consumption of hunger-satisfying food products during the middle of the day, usually around the noon hour, the acquisition of which requires no payment by the consumer and presumably imposes no opportunity cost on society. The food is lunch, the acquisition is free, hence free lunch.

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Today, you are likely to spend a great deal of time browsing about a thrift store hoping to buy either a graduation present for your niece or nephew or a toaster oven that has convection cooking. Be on the lookout for neighborhood pets, especially belligerent parrots.
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The first paper notes printed in the United States were in denominations of 1 cent, 5 cents, 25 cents, and 50 cents.
"I do the best I know how, the very best I can, and I mean to keep doing so until the end. "

-- Abraham Lincoln, 16th US president

DIDMCA
Depository Institutions Deregulation and Monetary Control Act
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