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VON THUNEN MODEL: A model of land use develop by Johann von Thunen that illustrates the trade off between land values and the distance from a central point of attraction. While originally applied to agricultural land use, the von Thunen model is commonly used to explain urban land use patterns. Two primary conclusions from the model are (1) that land values decrease as distance from the central point of attraction increases and (2) that different land use activities are contained in concentric rings equal distance from the central point of attraction based on the weight (or transportation cost) of the activity.
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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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GRAY SKITTERY
[What's This?]
Today, you are likely to spend a great deal of time watching infomercials hoping to buy either a replacement washer for your kitchen faucet or a stretchable, flexible watch band. Be on the lookout for empty parking spaces that appear to be near the entrance to a store.
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This isn't me! What am I?
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On a typical day, the United States Mint produces over $1 million worth of dimes.
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"A leader is most successful when people barely know he exists. When his work is done, his aim fulfilled, his troops will feel they did it themselves. " -- Lao-Tzu, philosopher
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MU
Marginal Utility
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