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July 11, 2025 

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PERFECT COMPETITION, PROFIT MAXIMIZATION: A perfectly competitive firm is presumed to produce the quantity of output that maximizes economic profit--the difference between total revenue and total cost. This production decision can be analyzed directly with economic profit, by identifying the greatest difference between total revenue and total cost, or by the equality between marginal revenue and marginal cost.

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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.

     See also | market share | concentration ratio | four-firm concentration ratio | eight-firm concentration ratio | Herfindahl index |


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OLIGOPOLY, CONCENTRATION, AmosWEB GLOSS*arama, http://www.AmosWEB.com, AmosWEB LLC, 2000-2025. [Accessed: July 11, 2025].


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FALLACY OF PERSONAL ATTACK

The logical fallacy of arguing that something is bad because someone "associated" with the thing is ugly, has a funny nose, drives a foreign car, regularly watches daytime soap operas, or wears outdated clothing. This fallacy of personal attack runs rampant in the political arena. Some politicians promote the notion that only good people propose good policies, while bad people have bad policies. The fact of the matter is that good people propose bad policies and bad people propose good policies.

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Today, you are likely to spend a great deal of time at the confiscated property police auction trying to buy either yellow cotton balls or a set of steel-belted radial snow tires. Be on the lookout for attractive cable television service repair people.
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Parker Brothers, the folks who produce the Monopoly board game, prints more Monopoly money each year than real currency printed by the U.S. government.
"If anything terrifies me, I must try to conquer it. "

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