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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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MARGINAL PROPENSITY TO IMPORT The change in imports purchased from the foreign induced by a change in income or production (national income or gross domestic product). The marginal propensity to import (abbreviated MPM) is another term for the slope of the imports line and is calculated as the change in imports divided by the change in income or production. The MPM plays a role in Keynesian economics. It augments the slope of the aggregate expenditures line and is part to the multiplier process. A related marginal measure is the marginal propensity to consume.
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BLUE PLACIDOLA
[What's This?]
Today, you are likely to spend a great deal of time touring the new suburban shopping complex seeking to buy either a large red and white striped beach towel or a bottle of blackcherry flavored spring water. Be on the lookout for crowded shopping malls.
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The portion of aggregate output U.S. citizens pay in taxes (30%) is less than the other six leading industrialized nations -- Britain, Canada, France, Germany, Italy, or Japan.
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"Gravitation can not be held responsible for people falling in love." -- Albert Einstein
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RJE
RAND Journal of Economics
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