Homework Answers
1. Ans - d) Increases; increases
When interest rate falls cost of investment fall so people are more attracted towards taking loans and investment will increase. As Investment is a part of AD so Ad shift right and real GDp will also increase
2. Ans - A) k*A
Explanation:
The Golden Rule capital-labor ratio is the level of the capital-labor ratio that, in the steady state, maximizes Consumption per worker. As the difference between the two line is maximum at k*A means consumption is maximum at this so this is the golden rule capital labor ratio.
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1) In the closed economy Keynesian-cross model, a decrease in the interest rate _...
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Q2. In the Keynesian cross model, equilibrium in the economy is obtained where planned spending equals actual spending. (a) Explain what planned spending and actual spending are (b) Graphically present the equilibrium condition of the economy in the Keynesian cross model. (c) Explain how the economy adjusts to equilibrium if the economy finds itself with a level of planned spending which is less than actual spending (3 marks) (d) Explain why an increase in government spending leads to a greater...
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Solow growth model: 1. a. Draw the steady-state equilibrium by drawing the savings line and the investment line. Show the steady-state values of savings, investment and capital per worker. b. On the same graph, also draw the output per worker (or per-worker production function) line. At the steady-state, mark the level of consumption per worker and savings per worker. c. What is the growth rate of yYt, Ct, kt (per-worker variables, represented with an "upperbar" in class) in the steady-state?...
Question 1. Consider a closed economy to which the Keynesian-cross analysis applies. Consumption is given by the equation C= 200 + 2/3(Y-T). Planned investment is 300, as are government spending and taxes. (18 points) a. If Y is 1,500, what is planned spending? Should equilibrium Y be higher or lower than 1,500? (4 points) b. What is equilibrium Y? (Hint: Substitute the values of equations for planned consumption, investment, and government spending into the equation Y C+I+ G and then...
7) An invention that raises the future marginal product of capital in a closed economy) would cause an increase in desired investment, which would cause the investment curve to shift to the and would cause the real interest rate to A) right; increase B) right; decrease C) left: increase D) left: decrease 8) Over the past year, output grew 4%, capital grew 2%, and labor grew 1%. If the elasticities of output with respect to capital and labor are 0.3...
1. Assume that an economy described by a Solow model has a per-worker production function given by y- k05, where y is output per worker and k is capital stock per worker (capital-labor ratio). Assume also that the depreciation rate δ is 5%. This economy has no technological progress and no population growth (n 0). Both capital and labor are paid for their marginal products and the economy has been in a steady state with capital stock per worker at...
B4. Closed economy Keynesian model: The aggregate demand-side of the economy Rigidia is well-described by a standard IS-LM-FE framework while the short-run aggregate supply side is characterized by (SRAS) aggregate output/income, Y is the full employment output level, P is the Here Y is realized aggregate realized price level, Pe is the expected price level and b is a constant that depends on the slope of the labour demand curve. Explain the effects of each of the following on the...
4. Keynesian cross and Keynesian multiplier: In the Keynesian cross, assume that the consumption function is given by C - 100 +0.5 (Y-T) Planned investment is 75; government purchases and taxes are both 100. a) Graph planned expenditure as a function of income. b) What is the equilibrium level of income? c) If government purchases increase to 110, what is the new equilibrium income? d) How big is the Keynesian government purchases multiplier in this example? e) What level of...
of a closed economy. when 6. According to the classical long-run macroeconomic model of a co decrease and government spending is unchanged a consumption and investment both increase b. consumption and investment both decrease c consumption increases and investment decreases d. consumption decreases and investment increases. 7. Suppose a business-friendly billionaire becomes president. As a result, businesses become optimistic about the future and more eager than before to increase their investment spending According to the classical long-run macroeconomic model of...
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Solow growth model: 1. a. Draw the steady-state equilibrium by drawing the savings line and the investment line. Show the steady-state values of savings, investment and capital per worker. b. On the same graph, also draw the output per worker (or per-worker production function) line. At the steady-state, mark the level of consumption per worker and savings per worker. c. What is the growth rate of yYt, Ct, kt (per-worker variables, represented with an "upperbar" in class) in the steady-state?...
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