AmosWEB is Economics: GLOSS*arama

Tuesday
June 16, 2026

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OLIGOPOLY AND MONOPOLISTIC COMPETITION: Oligopoly and monopolistic competition have some similarities, but also have a few important differences. Both are examples of imperfect competition on the market structure continuum between ideals of perfect competition and monopoly. However, oligopoly contains a small number of large firms and monopolistic competition contains a large number of small firms. The dividing line between oligopoly and monopolistic competition can be blurred due to the number of firms in the industry.

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production stages (72)
law of diminishing marginal returns (67)
marginal revenue, perfect competition (59)
autonomous investment (55)
money functions (54)

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DETERMINANT: A ceteris paribus factor that is held constant when a curve is constructed. Changes in these factors then cause the curve to shift to a new location. The most common determinants are demand determinants for the demand curve (income, preferences, other prices, buyers' expectations, and number of buyers) and supply determinants for the supply curve (resource prices, technology, other prices, buyers' expectations, and number of buyers). Other common curves and their determinants include: production possibilities curve (technology, education and the quantities of labor, capital, land, and entrepreneurship); aggregate demand curve (the four aggregate expenditures of consumption, investment, government purchases, and net exports); and short-run average cost curve (technology, wages, and other production cost).

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DETERMINANT, AmosWEB GLOSS*arama, http://www.AmosWEB.com, AmosWEB LLC, 2000-2026. [Accessed: June 16, 2026].

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SECOND-DEGREE PRICE DISCRIMINATION

A form of price discrimination in which a seller charges different prices for different quantities of a good. This also goes by the name block pricing. Second-degree price discrimination is possible because decidedly different quantities are purchased by different types of buyers with different demand elasticities. This is one of three price discrimination degrees. The others are first-degree price discrimination and third-degree price discrimination.

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Today, you are likely to spend a great deal of time strolling through a department store trying to buy either an AC adapter that works with your MPG player or rechargeable batteries. Be on the lookout for letters from the Internal Revenue Service.
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A communal society, a prime component of Karl Marx's communist philosophy, was advocated by the Greek philosophy Plato.

"Be kind and merciful. Let no one ever come to you without coming away better and happier."

-- Mother Teresa of Calcutta, humanitarian

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Journal of Public Economics

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