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January 18, 2026 

AmosWEB means Economics with a Touch of Whimsy!

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EQUATION OF EXCHANGE: An equation that specifies the relation between the money supply, the velocity of money, the price level, and real production. The equation is stated as M*V = P*Q, where M is the money supply, V is the velocity, P is the price level, and Q is real production. This equation is a key component of the quantity theory of money, which offers an explanation between the money supply and inflation.

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PERFECTLY ELASTIC

An elasticity alternative in which infinitesimally small changes in one variable (usually price) cause infinitely large changes in another variable (usually quantity). Quantity is infinitely responsive to price. Any change in price, no matter how small, triggers an infinite change in quantity. This characterization of elasticity is most important for the price elasticity of demand and the price elasticity of supply. Perfectly elastic is one of five elasticity alternatives. The other four are perfectly inelastic, relatively elastic, relatively inelastic, and unit elastic.

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Shopping Around For RETAIL PRICES

It's time for another one of our frequent stops at Mr. Market Super Food Discount Store, this time to check out the story behind retail prices. As consumers, we spend a large fraction of our nonworking, nonsleeping lives wandering grocery stores aisles, searching clothing store racks, and surveying department store displays for the right product at the right price. How do we know, like the name of the long-running game show, if "The Price is Right?" How are retail prices set and do they really tell us the value of a product?
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BEIGE MUNDORTLE
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Today, you are likely to spend a great deal of time at a going out of business sale seeking to buy either software that won't crash your computer or any book written by Stephan King. Be on the lookout for small children selling products door-to-door.
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The wealthy industrialist, Andrew Carnegie, was once removed from a London tram because he lacked the money needed for the fare.
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