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FACTOR MARKET EQUILIBRIUM: Equilibrium in the factor market, which for a perfectly competitive market is achieved at the factor price and factor quantity give by the intersection of the factor demand curve and the factor supply curve. For factor markets that are not perfectly competitive, such as those controlled by monopoly or monopsony, factor market equilibrium is achieved when the controlling firm maximizes profit. For monopoly, this is the factor quantity that equates marginal revenue and marginal cost. For monopsony, this is the factor quantity that equates marginal revenue product with marginal factor cost. But regardless of marginal structure, as an equilibrium it is maintained until shocked by an external force.
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SAVING-INVESTMENT MODEL A variation of the Keynesian injections-leakages model that includes the two private sectors, the household sector and the business sector. This variation, more formally termed the two-sector injections-leakages model, captures the interaction between induced saving (and indirectly induced consumption expenditures) and autonomous investment expenditures. This model provides an alternative to the two-sector aggregate expenditures (Keynesian cross) analysis of the macroeconomy, including equilibrium, disequilibrium, and the multiplier. Equilibrium is identified as the intersection between the saving line and the investment line. Two related variations are the three-sector injections-leakages model and the four-sector injections-leakages model.
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PURPLE SMARPHIN
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Today, you are likely to spend a great deal of time visiting every yard sale in a 30-mile radius trying to buy either a handcrafted spice rack or a cell phone case. Be on the lookout for gnomes hiding in cypress trees.
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The portrait on the quarter is a more accurate likeness of George Washington than that on the dollar bill.
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"When we do the best we can, we never know what miracle is wrought in our life or in the life of another. " -- Helen Keller, lecturer, author
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Income, Nominal Gross National Product
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