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TOTAL REVENUE CURVE, PERFECT COMPETITION: A curve that graphically represents the relation between the total revenue received by a perfectly competitive firm for selling its output and the quantity of output sold. It is combined with a perfectly competitive firm's total cost curve to determine economic profit and the profit maximizing level of production. The slope of the total revenue curve is marginal revenue.

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DEMAND ELASTICITY AND TOTAL EXPENDITURE: The notion that price-induced changes in total expenditure for a good (price times quantity) depends on the relative price elasticity of demand. In particular, for relatively elastic demand (1 < E < ∞) changes in price cause total expenditure to change in the opposite direction. An increase in price causes total expenditure to fall and a decrease in price causes total expenditure to rise. For relatively inelastic demand (0 < E < 1) changes in price cause total expenditure to change in the same direction. An increase in price causes total expenditure to rise and a decrease in price causes total expenditure to fall. For unit elastic demand (E =1) price changes do not cause any change in total expenditure. Total expenditure is the same whether price increases or decreases.

     See also | elasticity | price elasticity of demand | price | quantity | relatively elastic | relatively inelastic | unit elastic |


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DEMAND ELASTICITY AND TOTAL EXPENDITURE, AmosWEB GLOSS*arama, http://www.AmosWEB.com, AmosWEB LLC, 2000-2025. [Accessed: July 1, 2025].


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PATERNALISM

A fundamental philosophical viewpoint that the private sector (households and businesses) needs to be closely supervised by the public sector (government). In other words, members of society need to be watched over, cared for, and kept out of trouble, like parents watch over, care for, and keep their children out of trouble.

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Today, you are likely to spend a great deal of time wandering around the shopping mall seeking to buy either storage boxes for your computer software CDs or a set of tires. Be on the lookout for small children selling products door-to-door.
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A scripophilist is one who collects rare stock and bond certificates, usually from extinct companies.
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Weakly Pareto Optimal
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