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SAVING-INVESTMENT MODEL: A model used to identify equilibrium in Keynesian economics based on injections (investment, I) and leakages (saving, S) for the two basic sectors (household and business). Equilibrium is achieved at the intersection of the saving line, S, and the investment line, I.
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Lesson 11: Elasticity Basics | Unit 3: Measurement
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Page: 15 of 25
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In this unit, you should have learned about:- The two types of elasticity measurements -- arc elasticity for discrete changes and point elasticity for infinitesimally small changes.
- The coefficient of elasticity used to quantify the elasticity concept.
- The endpoint formula for calculating the coefficient of elasticity.
- The midpoint formula for calculating the coefficient of elasticity.
- How the coefficient of elasticity differs using the endpoint and midpoint formulas.
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SLOPE, INVESTMENT LINE The positive slope of the investment line is also termed the marginal propensity to invest (MPI). This slope is greater than zero but less than one, reflecting induced investment. The slope of the investment line affects the slope of the aggregate expenditures line and thus also affects the magnitude of the multiplier process.
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PINK FADFLY
[What's This?]
Today, you are likely to spend a great deal of time at a going out of business sale looking to buy either a T-shirt commemorating the 2000 Olympics or a genuine fake plastic Tiffany lamp. Be on the lookout for mail order catalogs with hidden messages.
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This isn't me! What am I?
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Mark Twain said "I wonder how much it would take to buy soap buble if there was only one in the world."
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"The greatest things ever done on Earth have been done little by little. " -- William Jennings Bryan
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CME
Chicago Mercantile Exchange
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