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INJECTION-LEAKAGE MODEL: A model used in Keynesian economics based on the equality of non-consumption expenditures (or injections) and non-consumption uses of income (leakages). On one side of the equality is saving, taxes, and imports -- the non-consumption leakages. On the other side of the equality is investment, government purchases, and exports -- the non-consumption injections. The injection-leakage model provides an alternative to the Keynesian cross for identifying equilibrium aggregate output.
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BLUE PLACIDOLA
Your compete MICRO*scope for today
You are the type of person who could defuse a bomb while babysitting a room full of rambunctious children. Family and friends come to you for advice because they don't have the time for you to come to them. Today, you are likely to spend a great deal of time at a flea market looking to buy either a flower arrangement with a lot of roses for your grandmother or a wall poster commemorating the first day of winter. Be on the lookout for gnomes hiding in cypress trees. You should consider shopping at stores or businesses beginning with the letter O, but do not buy any products with a serial number or product code containing the number 401126. Your preferred shopping venue is department stores. Your special symbol is the at sign (@).
Is this You?
As a Blue Placidola, you are easy-going and even-tempered, calm and composed. For you, the hectic pace of a crowded shopping mall during the holiday rush is nothing, it's little more than a tranquil stroll in the park. Life is good. Life goes on. Why worry. You are a happy shopper and you seldom fret over trivial details of a market exchange, in part because you are astute enough to get moderately low prices and relatively good deals.
This isn't me! What am I?
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MARGINAL REVENUE, MONOPOLISTIC COMPETITION The change in total revenue resulting from a change in the quantity of output sold. Marginal revenue indicates how much extra revenue a monopolistically 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 monopolistically competitive firm equates marginal revenue and marginal cost.
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Taking A Ride On TRANSPORTATION INFRASTRUCTUREOur pedestrian excursion gives us a ground-level view of the economy, but it's certainly slow and time-consuming. If you're like me, you've probably thought once or twice about jumping into an Omni Motors XL GT 9000 sports coupe to speed us along the way. Or perhaps an Omni Airlines 30-day tourist excursion would make our trip faster and less exhausting. That's one nice thing about modern transportation, it's pretty quick and not too expensive. It also helps us get a whole lot closer to solving the unsolvable problem of scarcity. However, for a really good pedestrian view of transportation and how it helps us along, we'd better remain on foot.
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Ragnar Frisch and Jan Tinbergen were the 1st Nobel Prize winners in Economics in 1969.
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"You need just the right amount of ambition . . . If you have too little ambition, you don't push or work hard. If you have too much ambition, you put yourself ahead of others, elbow them out of your way. " -- Andy Grove, Intel chairman and co-founder
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LF
Labor Force, Laissez-Faire
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