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KEYNESIAN EQUILIBRIUM: The state of the macroeconomy in which aggregate expenditures are equal to aggregate output. This is illustrated using the income-expenditure model, or Keynesian cross, as the intersection of the aggregate expenditures line and the 45-degree line. The aggregate expenditures line is the summation of consumption expenditures, investment expenditures, government purchases, and net exports. The 45-degree line represents all combinations in which aggregate expenditures equal aggregate output. Keynesian equilibrium is also represented by the saving-investment, or injection-leakage, model as the intersection between the injection line (investment expenditures, government purchases, and exports) and the leakage line (saving, taxes, and imports).
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EXHAUSTIBLE RESOURCE: A natural resource that cannot be increased by the natural forces of the environment. The quantities of exhaustible resources are effectively fixed and thus the more used today, the less is available for use in the future. It is possible, and even expected, that exhaustible resources will be exhausted at some time in the future. Common examples of exhaustible resources are the three fossil fuels -- petroleum, coal, and natural gas. The vast array of mineral resources -- iron, silver, gold, and copper -- represent other examples. See also | renewable resource | scarcity rent | Hotelling's Rule | switching point | natural resources | materials balance | recycling |
Recommended Citation:EXHAUSTIBLE RESOURCE, AmosWEB GLOSS*arama, http://www.AmosWEB.com, AmosWEB LLC, 2000-2025. [Accessed: June 14, 2025].
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VARIABLE INPUT An input whose quantity can be changed in the time period under consideration. The most common example of a variable input is labor. Variable inputs provide the means used by a firm to control short-run production. The alternative to variable input is fixed input. A fixed input, like capital, provides the capacity constraint in production. As larger quantities of a variable input, like labor, are added to a fixed input like capital, the variable input becomes less productive, which is the law of diminishing marginal returns.
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GRAY SKITTERY
[What's This?]
Today, you are likely to spend a great deal of time browsing about a thrift store looking to buy either a small palm tree that will fit on your coffee table or several magazines on fashion design. Be on the lookout for crowded shopping malls.
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This isn't me! What am I?
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Al Capone's business card said he was a used furniture dealer.
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"We should never allow ourselves to be bullied by an either-or. There is often the possibility of something better than either of those two alternatives. " -- Mary Parker Follett, management coach
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BOP
Balance of Payments
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