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UNCERTAINTY: The possibility that any number of things could happen in the future. In other words, the future is not known. This should be compared with risk, which is assigning probabilities to alternative possibilities.
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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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PINK FADFLY
[What's This?]
Today, you are likely to spend a great deal of time browsing through a long list of dot com websites wanting to buy either a rim for your spare tire or decorative celebrity figurines. Be on the lookout for attractive cable television service repair people.
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This isn't me! What am I?
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A thousand years before metal coins were developed, clay tablet "checks" were used as money by the Babylonians.
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"Never confuse a single defeat with a final defeat." -- F. Scott Fitzgerald, writer
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QJE
Quarterly Journal of Economics
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