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KEYNESIAN DISEQUILIBRIUM: The state of the Keynesian model in which aggregate expenditures are not equal to aggregate production, which results in an imbalance that induces a change in aggregate production. In other words, the opposing forces of aggregate expenditures (the buyers) and aggregate production (the sellers) are out of balance. At the existing level of aggregate production, either the four macroeconomic sectors (household, business, government, and foreign) are unable to purchase all of the production that they seek or producers are unable to sell all of the production that they have.
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Lesson 2: Economic Science | Unit 2: Theory
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Page: 6 of 20
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Economic theories are abstractions of the real world.
Three ways to abstract:- Words. The earliest human method of abstraction was to represent objects with words. Words also represent ideas. But words can have different meanings.
- Graphs. Pictures, especially graphical pictures. Many economic theories are abstractly represented with graphs. A picture or graph can be less confusing that words.
- Equations. Graphs are two-dimensional pictures of mathematical equations. Economic theories are often abstractly represented by equations. Equations can represent relationships between three or more things, like that for X, Y and Z:
Y = 3 + 2X - 4Z
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MARGINAL ANALYSIS A basic technique used in economics that analyzes small, incremental changes in key variables. Marginal analysis is the primary analytical approached used in the study of markets, production, consumption, business cycles, and economic policies. It not only reflects how most economic decisions are made, it also lends itself to mathematical and graphical analysis.
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GRAY SKITTERY
[What's This?]
Today, you are likely to spend a great deal of time lost in your local discount super center trying to buy either a handcrafted bird feeder or a New York Yankees baseball cap. Be on the lookout for slightly overweight pizza delivery guys.
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Junk bonds are so called because they have a better than 50% chance of default, carrying a Standard & Poor's rating of CC or lower.
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"It takes generosity to discover the whole through others. If you realize you are only a violin, you can open yourself up to the world by playing your role in the concert. " -- Jacques Yves Cousteau, marine explorer
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CPS
Current Population Survey (US)
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