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SCARCITY: A pervasive condition of human existence that exists because society has unlimited wants and needs, but limited resources used for their satisfaction. In other words, while we all want a bunch of stuff, we can't have everything that we want. In slightly different words, this scarcity problem means: (1) that there's never enough resources to produce everything that everyone would like produced; (2) that some people will have to do without some of the stuff that they want or need; (3) that doing one thing, producing one good, performing one activity, forces society to give up something else; and (4) that the same resources can not be used to produce two different goods at the same time. We live in a big, bad world of scarcity. This big, bad world of scarcity is what the study of economics is all about. That's why we usually subtitle scarcity: THE ECONOMIC PROBLEM.
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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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BLACK DISMALAPOD
[What's This?]
Today, you are likely to spend a great deal of time flipping through mail order catalogs looking to buy either a birthday gift for your mother or a weathervane with a horse on top. Be on the lookout for small children selling products door-to-door.
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This isn't me! What am I?
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Sixty percent of big-firm executives said the cover letter is as important or more important than the resume itself when you're looking for a new job
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"The purpose of learning is growth, and our minds, unlike our bodies, can continue growing as long as we live." -- Mortimer Adler
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SLLN
Strong Law of Large Numbers
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