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TOTAL COST CURVE: A curve that graphically represents the relation between total cost incurred by a firm in the short-run production of a good or service and the quantity produced. The total cost curve is a cornerstone upon which the analysis of a firm's short-run production is built. It combines all of a firm's opportunity costs into a single curve, which can then be used with the firm's total revenue curve to determine profit.
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INVESTMENT LINE: A graphical depiction of the relation between business investment expenditures and national income that forms one of the key building blocks for Keynesian economics. The slope of this line is positive, greater than zero, less than one, and goes by the name marginal propensity to invest. The vertical intercept of the investment line is autonomous investment. The aggregate expenditures line used in the Keynesian cross is obtained by adding this investment line, as well as, government purchases and net exports, to the consumption line. The investment line is also combined with the saving line in saving-investment model used in Keynesian economics. See also | Keynesian economics | investment expenditures | national income | marginal propensity to invest | aggregate expenditures | aggregate expenditures line | Keynesian cross | saving-investment model | induced investment | autonomous investment |
Recommended Citation:INVESTMENT LINE, AmosWEB GLOSS*arama, http://www.AmosWEB.com, AmosWEB LLC, 2000-2025. [Accessed: July 12, 2025].
AmosWEB Encyclonomic WEB*pedia:Additional information on this term can be found at: WEB*pedia: investment line
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RATIONAL IGNORANCE The decision NOT to become informed about a topic (such as what a political candidate wants to do) because the cost of acquiring the information is more than the expected benefit. The rational decision to remain ignorant about a subject is a straightforward application of utility maximization and along with the related notion of rational abstention, is a source of voter apathy and government inefficiency.
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BLUE PLACIDOLA
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Today, you are likely to spend a great deal of time at a garage sale hoping to buy either a wall poster commemorating the first day of spring or a lazy Susan for you dining room table. Be on the lookout for mail order catalogs with hidden messages.
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The average length of a "business lunch" is about 36 minutes.
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"What gets measured gets done." -- Peter Drucker, educator
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ASX
Australian Stock Exchange
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