A. lower inflation rate. 3. higher rate of capital accumulation. C. higher long-run rate of growth. D. lower long-run rate of growth. Real Interest Rate NS Quantity of National Saving ($)
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- The national saving schedule (S) is usually drawn with a positive slope because: a. the value of the marginal product of capital is high when the real interest rate is high b. the demand for investment schedule shifts to the right when the real interest rate increases c. the private sector has a greater incentive to save when the real interest rate is high d. firm’s demand for investment is high when the real interest rate is highSuppose that the real interest rate is 6%. Next, assume that some factors changes, such that the expected rate of return, declines by  two percentage points at each prospective level of investment. Assuming no change in the real interest rate, by how much and in what direction will the investment change?  which of the following might cause this change: (a) a decision to increase inventories; (b) an increase in excess production capacity.Consider an economy described by the following equations: Y = C + I + G AND, Y = 20,000; G = 4,000; T = 4,000; C = 1000 + 0.80(Y − T); : I= 2,500 – 120r. national saving AND the equilibrium real interest rate equal: Select one: a. national saving 2200 AND the equilibrium real interest rate 2.5%. b. national saving 2500,AND the equilibrium real interest rate 2%. c. national saving 4000 AND the equilibrium real interest rate 1.5%. d. national saving 3200 AND the equilibrium real interest rate 2.5%.
- Economists from Funlandia have collected the following information about the economy (all measured in billions of bucks): Y = 12, C= 9, T = 2, and G = 2.5. The economists also estimate the investment function is I = 2 – 0.5r where r is the country’s real interest rate expressed as a percentage. Calculate private saving, public saving, national saving, investment, and the real interest rate.National Income: Where It Comes From and Where It Goes — End of Chapter Problem If consumption depends on the interest rate, saving will also depend on it. In particular, the higher the interest rate, the greater will be the return to saving. Hence, the supply of loanable funds will be represented by an upward-sloping, rather than a vertical, curve. National saving is the sum of public saving and private saving. Investment in this analysis is private investment. It does not include public investment.a) What generally happens to the major macroeconomic variables such as GDP, unemployment rate, and inflation rate during an economic recession? b) Define economic expansion using the reference terms of actual GDP and potential GDP. c) Explain how investment spending and interest rate related. What is the reason behind such a relationship? d) Find the correlation coefficient between interest rate and Real Investment. Does this (actual) value support the theoretical relationship between the variables? Explain. (e) Explain the importance of investment spending for the economy. Only typed answer
- Consider an economy called Xanadu for which desired aggregate consumptiondepends on income, Y. and the real interest rate, r, according toCd =100+0.7Y - 200r.Xanadu's GDP is Y = 1000 and government spending on goods and services is G=180. Xanadu's desired future capital stock is given byK* = 140 - 100ucwhere luCdenotes the user-cost of capital. The price of capital is PK =2, thephysical depreciation rate is d =0.1 and the existing capital stock is K0= 50. Trapital stock between any period t and the following period t+1 evolves accordng toKt+1 = It+(1-d)Kt where It the level of investment. Assume throughout that net factor payments from abroad (NFP) is equal to zero.Suppose instead that Xanadu is a small open economy facing a world interest rate of 1%. It follows that Xanadu's current account position is equal toA) -16B) -51C) -6D) -8Problem Set 4: Saving and Investment Economists in Fantasialand, a closed economy, have collected the following information about the economy for a particular year: Y = 9000; C = 6000; T = 1500; G = 1700. The economists also estimate that the investment function is: I = 3300 - 100r, where r is the country’s real interest rate, expressed as a percentage (i.e. r = 1 means interest rate is one percent). Calculate private saving, public saving, national saving, investment, and the equilibrium real interest rate.Suppose that the typical consumer has a salary of $30,000 in 2017. His salary grows by 2% per year. What can we say about his ability to pay for his consumption basket over time? (A) He can never pay for his consumption basket without going into debt. (B) In 2017 and 2018, he can pay for his own consumption, but will be unable to in 2019 and 2020 without taking on debt. (C) From 2017-2019, he can pay for his own consumption, but will be unable to in 2020 without taking on debt. (D) He can always pay for his own consumption basket without taking on debt.
- Suppose that conditions in the economy are such that the after-tax expected real interest rate is described by the equationRa = a X gWhere a is a number that depends on how people value their consumption in one period compared with another period, and g is the growth rate of the economy. The a equals 1 when people prefer consumption to be balanced, with the same amount of consumption each period; a may be bigger than the one when people prefer consumption today over consumption in the future, with a being larger and larger the more impatient people are:A - Suppose that a = 2, g = 0.02, the inflation rate is expected to be steady at pi = 0.03, and the tax rate is .40. What are the values of the equilibrium nominal interest rate and the before-tax expected real interest rate?B - Beginning with the situation in part a, if the growth rate of the economy increases to .04, what are the new values of the equilibrium nominal interest rate and the before-tax expected real interest rate?C -…Suppose that conditions in the economy are such that the after-tax expected real interest rate is described by the equationRa = a X gWhere a is a number that depends on how people value their consumption in one period compared with another period, and g is the growth rate of the economy. The a equals 1 when people prefer consumption to be balanced, with the same amount of consumption each period; a may be bigger than the one when people prefer consumption today over consumption in the future, with a being larger and larger the more impatient people are:D - Beginning with the situation in part a, if the expected inflation rate declings to 0.01, what are the new values of the equilibrium nominal interest rate and the before tax expected real interest rate?E - From these results, what general conclusions can you draw about the relationship between the nominal interest rate and the rate of economic growth, the tax rate, and the inflation rate? what about the relationship between the before…1. Suppose the labor market is initially at its equilibrium, i.e., labor supplied equals labor demanded. Explain and show graphically the effects of an increase in the economy’s capital stock. Please draw the full graph and provide a detailed explanation of the effect. Label the axes and explain why either the labor demand curve or the labor supply curve shifts. 2. Suppose the goods market is initially at its equilibrium, i.e., the desired level of national saving equals the desired level of investment. Explain and show graphically how an increase of the effective tax rate on capital goods affects the goods market equilibrium. Please draw the full graph and provide a detailed explanation of the effect. Label the axes and explain why either the saving curve or the investment curve shifts.
