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AGGREGATE EXPENDITURE LINE: A line representing the relation between aggregate expenditures and gross domestic product used in the Keynesian cross. The aggregate expenditure line is obtained by adding investment expenditures, government purchases, and net exports to the consumption line. As such, the slope of the aggregate expenditure line is largely based on the slope of the consumption line (which is the marginal propensity to consume), with adjustments coming from the marginal propensity to invest, the marginal propensity for government purchases, and the marginal propensity to import. The intersection of the aggregate expenditures line and the 45-degree line identifies the equilibrium level of output in the Keynesian cross.
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                           AVERAGE REVENUE CURVE, MONOPOLISTIC COMPETITION: A curve that graphically represents the relation between average revenue received by a monopolistically competitive firm for selling its output and the quantity of output sold. Because average revenue is essentially the price of a good, the average revenue curve is also the demand curve for a monopolistically competitive firm's output. Monopolistic competition is a market structure with a large number of relatively small firms that sell similar but not identical products. Each firm is small relative to the overall size of the market such that it has some market control, but not much. In other words, it can sell a wide range of output at a narrow range of prices. This translates into a relatively elastic demand curve. If a monopolistically competitive firm wants to sell a larger quantity, then it must lower the price.The average revenue curve reflects the degree of market control held by a firm. For a perfectly competitive firm with no market control, the average revenue curve is a horizontal line. For firms with market control, such as monopolistic competition, the average revenue curve is negatively-sloped. Average Revenue Curve,
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The average revenue curve for Manny Mustard is displayed in the exhibit to the right. Key to this curve is that Manny Mustard is a monopolistically competitive seller of sandwiches and thus faces a negatively-sloped demand curve. Larger quantities of output are only possible with lower prices.The vertical axis measures average revenue and the horizontal axis measures the quantity of output (number of sandwiches). Although quantity on this particular graph stops at 10 sandwiches, it could go higher. This curve indicates that if Manny Mustard sells 1 sandwich (at $5.20 per sandwich), then average revenue is $5.20 per sandwich. Alternatively, if he sells 10 sandwiches (at $4.75 per sandwich), then average revenue in is $4.75 per sandwich. For Manny Mustard the average revenue curve is also the demand curve. The curve is negatively sloped, meaning that larger quantities of output result in less average revenue. Although this average revenue curve, and preceding table of average revenue numbers, is based on the production activity of Manny Mustard, a well-known monopolistically competitive firm, they apply to any firm with market control. Monopoly and oligopoly firms that also face negatively-sloped demand curves generate comparable average revenues.
Recommended Citation:AVERAGE REVENUE CURVE, MONOPOLISTIC COMPETITION, AmosWEB Encyclonomic WEB*pedia, http://www.AmosWEB.com, AmosWEB LLC, 2000-2025. [Accessed: April 3, 2025].
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Today, you are likely to spend a great deal of time going from convenience store to convenience store wanting to buy either a birthday greeting card for your uncle or a T-shirt commemorating the 2000 Presidential election. Be on the lookout for telephone calls from former employers.
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Post WWI induced hyperinflation in German in the early 1900s raised prices by 726 million times from 1918 to 1923.
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"I have no expectation of making a hit every time I come to bat. What I seek is the highest possible batting average." -- President Franklin Delano Roosevelt
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M3
M2 plus investment types of near monies, including large denomination certificates of deposits, institutional money market deposits, and longer term repurchase agreements and Eurodollars
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