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NET EXPORTS LINE: The graphical depiction of the relation between net exports and national income (or gross domestic product) that plays a role in Keynesian economics and the Keynesian cross. The net exports line is derived by combining the exports line, relating exports and national income, with the imports line, relating imports and national income. Because exports are largely independent of national income and imports (which are subtracted from exports) increase with national income, the net exports line has a negative slope. The slope of the net exports line is thus the negative of the marginal propensity to import. The aggregate expenditures line used in the Keynesian cross is obtained by adding this net exports line, as well as, government purchases and net exports, to the consumption line. The government purchases line is also combined with investment expenditures for the Keynesian saving-investment model.
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Lesson 21: Factor Demand | Unit 2: Derived Demand
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Page: 8 of 24
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- The notion of derived demand plays an important role in a number of issues:
- Health Care and Education: The wage paid to each type of doctor depends on the demand for the factor, which in turn is derived from the demand for the output produced.
- Overpaid Athletes: The wage paid to a professional athlete once again depends on factor demand, which is derived from the demand for the output produced.
- The Farm Problem: The demand for the factor services provided by farmers depends on the demand for farm products.
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AUTONOMOUS NET EXPORTS Net exports by the foreign sector that do not depend on income or production (especially national income or gross domestic product). That is, changes in income do not generate changes in net exports. Autonomous net exports are best thought of as net exports that the foreign sector undertakes independent of income. They are measured by the intercept term of the net exports line. The alternative to autonomous net exports is induced net exports, which do depend on income.
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ORANGE REBELOON
[What's This?]
Today, you are likely to spend a great deal of time searching for a specialty store hoping to buy either yellow cotton balls or a set of steel-belted radial snow tires. Be on the lookout for the last item on a shelf.
Your Complete Scope
This isn't me! What am I?
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A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court!
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"Defeat is simply a signal to press onward. " -- Helen Keller, author, lecturer
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AIC
Akaike's Information Criterion
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