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YIELD CURVE: A curve plotting the yields (or returns) on securities with different maturity lengths. The standard yield is for U.S. Treasury securities with lengths ranging from 90 days to 30 years. The five maturity lengths are usually 90 day, 180 day, 2 year, 5 year, 10 year, and 30 year. The shape and slope fo the yield curve indicates the state of the economy and what's likely to come. A normal yield curve has a slight positive slope, with slightly higher yields for longer maturity securities. A steep yield curve suggests the end of a contraction and beginning of an expansion. An inverted, or negatively sloped yield curve is the sign of an upcoming contraction.
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                           45-DEGREE LINE: A line that shows equality between the variable measured on the vertical axis of a diagram and the variable measured on the horizontal axis. A 45-degree line is used both as a guideline that provides insight into the measured variables and as a critical part of the analysis. This line is perhaps most important in Keynesian economics. It is used in a diagram measuring consumption and income as a means of deriving saving---the difference between income and consumption. It is also used in the Keynesian model (or Keynesian cross) diagram measuring aggregate expenditures and aggregate production as a means of identifying equilibrium--the equality between aggregate expenditures and aggregate production. | 45-Degree Line |  |
The 45-degree line assists in the Keynesian economics evaluation and analysis of the macroeconomy. In general, a 45-degree line is so named because it forms a 45-degree angle with both the vertical or horizontal axes of a typical right-angle diagram. This is achieve because each point on the 45-degree line equates the variable measured on the vertical axis with the variable measured on the horizontal axis. Because the two variables are measured in the same units, the 45-degree line has a slope of one and it bisects the 90-degree angle formed by the vertical and horizontal axes.A typical 45-degree line is presented in the exhibit to the right. In this particular exhibit, expenditures (aggregate expenditures) are measured on the vertical axis and production (aggregate production) is measured on the horizontal axis. The 45-degree line then depicts each point in this diagram in which aggregate production (Y) is equal to aggregate expenditures (AE). For this reason, the 45-degree line is also labeled Y=AE. The two most common uses of the 45-degree line are the Keynesian model and the consumption line. - Keynesian Model: The most important use of the 45-degree is the Keynesian model, which identifies equilibrium equality between aggregate expenditures and aggregate production. In particular, the intersection between the 45-degree line and the aggregate expenditures line indicates the equilibrium level of aggregate production.
- Consumption Line: The 45-degree line is also used as a guide for working with the consumption line. Because the 45-degree line has a slope of one, it serves to highlight that the slope of the consumption line is less that one. Moreover, because the 45-degree in this diagram shows the equality between consumption and income, it can be used to easily identify saving as the vertical difference between the consumption line an the 45-degree line.
Recommended Citation:45-DEGREE LINE, AmosWEB Encyclonomic WEB*pedia, http://www.AmosWEB.com, AmosWEB LLC, 2000-2021. [Accessed: December 2, 2021].
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Today, you are likely to spend a great deal of time looking for a downtown retail store looking to buy either a how-to book on fine dining or a coffee cup commemorating the first day of winter. Be on the lookout for the happiest person in the room.
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North Carolina supplied all the domestic gold coined for currency by the U.S. Mint in Philadelphia until 1828.
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