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DEMAND DECREASE AND SUPPLY INCREASE: A simultaneous decrease in the willingness and ability of buyers to purchase a good at the existing price, illustrated by a leftward shift of the demand curve, and an increase in the willingness and ability of sellers to sell a good at the existing price, illustrated by a rightward shift of the supply curve. When combined, both shifts result in an indeterminant change in equilibrium quantity and a decrease in equilibrium price.

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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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[What's This?]

Today, you are likely to spend a great deal of time going from convenience store to convenience store looking to buy either a birthday greeting card for your grandmother or a coffee cup commemorating yesterday. Be on the lookout for the last item on a shelf.
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This isn't me! What am I?

Mark Twain said "I wonder how much it would take to buy soap buble if there was only one in the world."
"Don't judge each day by the harvest you reap, but by the seeds you plant."

-- Robert Louis Stevenson, Author

CPI-W
Consumer Price Index-Urban Wage Earners and Clerical Workers
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