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LERNER INDEX: The difference between price (p) and marginal cost (mc) as a fraction of price, that is [p-mc]/p. The Lerner index is usually taken as an indicator of market power because the larger the index, the larger the difference between price and marginal cost, that is, the larger the distance between the price and the competitive price. The Lerner index depends on the elasticity of demand. The Lerner index is also called the price-cost margin.
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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: June 16, 2025].
AmosWEB Encyclonomic WEB*pedia:Additional information on this term can be found at: WEB*pedia: investment line
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UNLIMITED WANTS AND NEEDS A basic condition of human existence which means that people are never totally satisfied with the quantity and variety of goods and services the consume. It means that people never get enough, that there's always something else that they would want or need. Unlimited wants and needs are one half of the fundamental problem of scarcity that has plagued humanity since the beginning of time. The other half of the scarcity problem is limited resources.
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WHITE GULLIBON
[What's This?]
Today, you are likely to spend a great deal of time at the confiscated property police auction looking to buy either a graduation present for your niece or nephew or a toaster oven that has convection cooking. Be on the lookout for jovial bank tellers.
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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.
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"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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LIBOR
london Inter-Bank Offered Rate
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