Using the Keynesian-cross diagram and the investment function diagram, derive the IS Curve by illustrating what happens when real interest rates fall.
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Using the Keynesian-cross diagram and the investment function diagram, derive the IS Curve by illustrating what happens when real interest rates fall. (See page 319 of the textbook for an example.)
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- Using the Keynesian-cross diagram, the investment function diagram, and the IS Curve, illustrate what happens when consumer confidence falls (thus reducing autonomous consumptions. (See page 319 of the textbook.)It is possible that the interest rate might affect consumption spending. An increase in the interest rate could, in principle, lead to increases in saving and therefore a reduction in consumption, given the level of income. Suppose that consumption is, in fact, reduced by an increase in the interest rate. How will the IS curve be affected?Carefully explain the major differences between the Keynes and Fisher models of consumption
- What happens in the simple Keynesian model if households expect lower income in the future and decide to save more today? Adjust the graph and answer the question. Assume that investment varies directly with aggregate income. Aggregate expenditure (in billions of dollars) 10 9 8 7 5 4 3 2 1 0 0 1 2 3 4 5 6 7 Aggregate income (in billions of dollars) 8 9 AE = AI C+1 10Q.1.7 In the Keynesian macroeconomic model, the equation for the savings function is given as: S = -420 + 1/4Y. Based on this information, which of the following statements is correct? (1) The marginal propensity to consume is 1/4; (2) The marginal propensity to save is -420;How would an increase in the interest rate affect consumption and investment function?
- On the following graph, use the blue curve to plot investment as a function of disposable income: According to the table, investment is: a. Autonomous with respect to disposable income b. Responsive to changes in interest rates c. Responsive to changes in business expectations d. Correlated with consumption A terrorist attack that makes business forecasts more pessimistic would cause the investment function you drew previously to a. Slope upward b. Shift up c. Shift down d. Slope downwardThe propensity to consume tells us by how much consumption changes for a given change in disposable income. To analyze this fact, follow these steps: 5- Go to the Federal Reserve Economic Data (FRED) https://fred.stlouisfed.org/. download the series A067RX1A020NBEA and PCECCA since 1999. Make sure all series are in real terms and in comparable units. Compile a single spreadsheet with these series. 6- In the spreadsheet, first compute the annual growth rate of disposable income and consumption for all years in the sample. Then compute the average for the period 2000-2017 for both variables. Finally, construct a demeaned measure of the annual growth rate of disposable income and consumption for all years in the sample. That is, let C t denote consumption in year t. Then, the growth rate of consumption between year t and t−1 is [(C t /C t−1 )−1], denoted by gC t. Now, let gC denote the average annual growth rate in consumption since 2000 . This number will stay fixed and not changing…What is an investment schedule and how does it differ from an investment demand curve?