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ENDOGENOUS VARIABLE: A variable that is identified within the workings of the model. Also termed a dependent variable, an endogenous variable is in essence the "output" of the model. It should be compared with an exogenous variable this is the "input" of the model.

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MARGINAL REVENUE, PERFECT COMPETITION

The change in total revenue resulting from a change in the quantity of output sold. Marginal revenue indicates how much extra revenue a perfectly competitive firm receives for selling an extra unit of output. It is found by dividing the change in total revenue by the change in the quantity of output. Marginal revenue is the slope of the total revenue curve and is one of two revenue concepts derived from total revenue. The other is average revenue. To maximize profit, a perfectly competitive firm equates marginal revenue and marginal cost.

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Today, you are likely to spend a great deal of time wandering around the downtown area trying to buy either an AC adapter that works with your MPG player or rechargeable batteries. Be on the lookout for jovial bank tellers.
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Rosemary, long associated with remembrance, was worn as wreaths by students in ancient Greece during exams.
"I can't change the direction of the wind, but I can adjust my sails to always reach my destination."

-- Jimmy Dean

MFC
Marginal Factor Cost
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