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SAVING-INVESTMENT MODEL: A model used to identify equilibrium in Keynesian economics based on injections (investment, I) and leakages (saving, S) for the two basic sectors (household and business). Equilibrium is achieved at the intersection of the saving line, S, and the investment line, I.

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TOTAL PRODUCT AND MARGINAL PRODUCT

A mathematical connection between marginal product and total product stating that marginal product IS the slope of the total product curve. If the total product curve has a positive slope (that is, is upward sloping), then marginal product is positive. If the total product curve has a negative slope (downward sloping), then marginal product is negative. If the total product curve has a zero slope (horizontal), then marginal product is zero.

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APLS

ORANGE REBELOON
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Today, you are likely to spend a great deal of time driving to a factory outlet seeking to buy either a rim for your spare tire or decorative celebrity figurines. Be on the lookout for letters from the Internal Revenue Service.
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The Dow Jones family of stock market price indexes began with a simple average of 11 stock prices in 1884.
"Inside the ring or out, ain't nothing wrong with going down. It's staying down that's wrong. "

-- Muhammad Ali

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Economic Journal
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