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ABSTRACTION METHODS: Abstraction is the process of simplifying the complexities of the real world by ignoring (hopefully) unimportant details, especially (for our purposes) while doing economic analysis. Three common methods of actual, real world abstraction used in economic theories are words, graphs, and equations. Words can be misunderstood. Graphs are a little more precise. And equations tend to be the most precise of the three.
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AGGREGATE EXPENDITURES LINE A graphical depiction of the relation between aggregate expenditures by the four macroeconomic sectors (household, business, government, and foreign) and the level of aggregate income or production. In Keynesian economics, the aggregate expenditures line is the essential component of the Keynesian cross analysis used to identify equilibrium income and production. Like any straight line, the aggregate expenditures line is characterized by vertical intercept, which indicates autonomous expenditures, and slope, which indicates induced expenditures. The aggregate expenditures line used in Keynesian economics is derived by adding or stacking investment, government purchases, and net exports to the consumption line.
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BLACK DISMALAPOD
[What's This?]
Today, you are likely to spend a great deal of time strolling around a discount warehouse buying club wanting to buy either a T-shirt commemorating the second moon landing or a coffee cup commemorating Thor Heyerdahl's Pacific crossing aboard the Kon-Tiki. Be on the lookout for celebrities who speak directly to you through your television.
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This isn't me! What am I?
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In the Middle Ages, pepper was used for bartering, and it was often more valuable and stable in value than gold.
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"The creative is the place where no one else has ever been. the You have to leave the city of your comfort and go into wilderness of your intuition. What you'll discover will be wonderful. What you'll discover will be yourself." -- Alan Alda, Actor
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IIA
Irrelevance of Independent Alternatives
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