An economy is described by the following equations: Y = C+ I, + G %3D C = a + b(Y – T) T = tY %3D Let a = 20, b = 0.75, t = 0.25, I, , = 100, G = 240 %3D (a) Determine the value of the multiplier for this economy, and find the equilibrium value of Y. (b) Find the values of C, T and G-T, given your answer to part (a). (c) Describe what would happen if the government tried to eliminate its budget deficit by undertaking a cut in G equal to the current value of G-T.
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- Investment 0.30 rate 0.25 0.20 0.15 0.10 0.05 0.05 0.10 0.15 0.20 0.25 0.30 Saving rate 19) Given the above graph, at the green dot, we can state: a) Saving rate> Investment rate and (X – M)> 0 b) Saving rate 0 d) Saving rate > Investment rate and (X – M) < 0 20) Exponential growth implies that: a) Growth rates can only be positive. b) Growth rates will alternate between positive and negative values every consecutive period. c) Relatively large differences in growth rates will translate into minor differences in the level of GDP per capita many years growth. d) Relatively small differences in growth rates will translate into substantial differences in the level of GDP per capita after many years of growth. 4A) :What is S if Y=200, AE=260, C=220 and I=40 in an imaginary economy?B) : If the disposable income is 200 and the consumption expenditure is 220 in an imaginary economy, what are the savings? C) University Café earned 20 TL by selling 10 bagels in one day. The total cost of 1 bagel is 0.5 TL. It is assumed that the cafe has no other costs. What is the firm's accounting profit?== 2. Consider an IS/LM model of an economy with the following equations:C = 300+ 0.6Ydl 100 5iG 200TR = 200T 200T = 0.1YL = 0.4Y 30iM/P = 500(a) Using the above data, derive the equation for the IS schedule. (b) In this example, what is the equation for the LM schedule? (c) Using simultaneous equations calculate the equilibrium level of income and interestrates. Sketch the IS/LM equilibrium position. (d) What are the values of the monetary policy multipliers with respect to income andinterest rates? If the money supply is increased by 30, what are the new market clearing income and interest rate levels?
- What is constrains optimization, explain and discuss the significance of langrage multiplier.Find out (i) if MPC is .75, what will be the MPS? (ii) if APS is .3, what will be the APC?Assume that an economy is based on three industrial sectors: agriculture (A), building (B), and energy (E). The technology matrix M is: A BE uarruarruarr (4 [0.6 0.2 0.1 0.4 0.1 0.1 0.4] 0.1 0.1 B 0.1 M How much input from A, B, and E are required to produce a dollar's worth of output for B? How much input from A is required to produce a dollar's worth of output for B? How much input from B is required to produce a dollar's worth of output for B? How much input from E is required to produce a dollar's worth of output for B ? Assume that an economy is based on three industrial sectors: agriculture (A), building (B), and energy (E). The technology matrix M is: A BE ↑ ↑ ↑ A-> 0.6 0.2 0.1 B-> =M 0.1 0.4 0.1 E-> 0.1 0.1 0.4 How much input from A, B, and E are required to produce a dollar's worth of output for B? How much input from A is required to produce a dollar's worth of output for B? How much input from B is required to produce a dollar's worth of output for B? How much input from E…
- The trade-in value, V, of a certain model of automobile can be determined using the function V(x)=25000-0.25x, where x is the mileage. Which of the following statements is the best interpretation of the slope? * The trade-in value of the car decreases $1 for every additional 4 miles driven. The trade-in value of the car decreases $4 for every additional mile driven. The value of the car increases as the mileage increases. The selling price of the car when it is new is $25,000.The table below is the multiplier matrix of the 4 sector economic model. Exogenous Variables G* T* AND C T Even. YD M B AS S A 1.163 0.817 0.311 1.73 0.311 0.311 - 0.311 0.222 I* 1.163 0.817 0.311 1.73 0.311 0.311 - 0.311 0.222 1.163 0.875 0.311 1.73 0.311 -0.655 -0.311 0.222 - 1.094 -0.815 0.781 -1.875 -0.219 0.781 0.219 - 0.563 X* 1.163 0.815 0.311 1.25 0.311 0.311 0.547 0.222 a. Calculate the change of each endogenous variable value of the effect of AG* = 160 M* - 1.163 - 1.393 - 0.311 - 1.25 0.655 - 0.311 - 0.547 - 0.222 b. Calculate the net change in each value of the endogenous variable as a result of the simultaneous change, AX* = 200 and AM* = -150 c. AT* = 250; By how much does the government need to change G* so that the net effect of these 2 shocks (AT* = -250 and AG* which you calculated) so that AB = 0? d. Calculate the net change in each value of the endogenous variable as a result of the 2 shocks occurring in (c).C. Suppose your neighbor is a physics major who also races motorcycles, and she tells you that horsepower can be expressed in terms of the following equation: H = MDA/S where M=mass, D-distance, A=acceleration and S and H are as defined above. Based on this conversation with your neighbor, you decide to change the functional form of the relationship to include 1/H rather than H as an explanatory variable because that's the appropriate theoretical relationship between the two variables. Estimate the above equation, substituting 1/H for H. Which of the two models do you prefer and why?
- YOU ARE REQUIRED TO SHOW A CALCULATION METHOD QUESTION 1 a) Based on the information given on a hypothetical economy, answer the following questions. Saving function ( S) = -150 + 0.25Yd Investment (I) = 100 Government Expenditure (G) = 200 Taxes (T) = 100 iv) Find the value of investment multiplier v) What is value of autonomous consumption vi) Sketch the diagram to show your answer in (b) Note: no need hand writingWhat is the equation for this?Example For an economy the following data is given : Consumption (C) Investment (I) 100 + 0.8 Y. %3D 150 75 Government Expenditure (G) Rate of income tax (T) %3D 0.25Y (a) Find the equilibrium level of incomę. (b) What is the value of multiplier with tax and without tax ?