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TOTAL REVENUE, PERFECT COMPETITION: The revenue received by a perfectly competitive firm for the sale of its output. Total revenue is one two bits of information a perfectly competitive firm needs to calculate economic profit, the other is total cost. In general, total revenue is the price times quantity--the price received for selling a good times the quantity of the good sold at that price. For a perfectly competitive firm, which receives a single unchanging price for all output sold, the calculation is relatively easy. Two other revenue measures directly related to total revenue are average revenue and marginal revenue. Total revenue is often depicted as a total revenue curve.

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INJECTIONS-LEAKAGES MODEL

A macroeconomic model that balances non-consumption expenditures on production (injections) and non-consumption uses of income (leakages) that is used to identify the equilibrium level of, and analyze disruptions to, aggregate production and income. The injections-leakages model is based on the principles of Keynesian economics and provides an alternative to the standard aggregate expenditures (Keynesian cross) analysis. The three injections included in the model are investment expenditures, government purchases, and exports. The three leakages included in the model are saving, taxes, and imports. Three variations are the two-sector injections-leakages model (or saving-investment model), three-sector injections-leakages model, and four-sector injections-leakages model.

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APLS

PINK FADFLY
[What's This?]

Today, you are likely to spend a great deal of time visiting every yard sale in a 30-mile radius looking to buy either a wall poster commemorating next Thursday or a pair of gray heavy duty boot socks. Be on the lookout for letters from the Internal Revenue Service.
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There were no banks in colonial America before the U.S. Revolutionary War. Anyone seeking a loan did so from another individual.
"In order to create there must be a dynamic force, and what force is more potent than love."

-- Igor Stravinsky, violinist

CES
Constant Elasticity of Substitution
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