(a) Solve the firm's maximization problem and derive the labour demand curve. (b) Graph the labour demand curve and explain its shape. (c) Show that profits are equal to zero, T = 0. (d) Set up the Lagrangian, solve the consumer's optimization problem and derive the labour supply curve. (e) Graph the labour supply curve and explain its shape using the substitution and income effect. (f) Solve for the competitive equilibrium and show that the optimal labour is N* = 2h+G and real wage rate is w* = 2. 2z
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- . Consider the macroeconomic model of a two-sector economy (i.e. no government or trade) using standard notation. Assume that the consumption function is linear, i.e. of the form: C = a +bY . It is known that when ? = 110, the value of consumption, C , is equal to 160.8, and that when ? = 170, the value of C is 207.6. (a) Determine the consumption function and derive the savings ( S ) function for the model. What is the marginal propensity to consume? (b) Determine the equilibrium level of national income when planned investment ? = 255.An economy has an aggregate production function to produce goods and services Y = AK1/3L 2/3 where Y represents total output (i.e GDP), K is capital, L is labor, and A is total factor productivity (TFP). This economy devotes a share of 30% of its output to gross investment. Capital depreciates at a rate of 10% per period. The TFP level is one and there are 2 units of labor available for production. • Suppose the economy starts with a capital stock at time t = 1 equal to 1 unit. Write down the values of gross investment, net investment, capital, consumption, and output observed during the subsequent 10 periods • What is the steady state level of capital, assuming A = 1 and L = 2? • Suppose that the economy is at its steady state and there is an increase in the depreciation rate from 0.10 to 0.15. What is the new steady state value for capital? Discuss your results.22. Consider a closed economy Keynesian model. An exogenous collapse in private sector investment demand can be partially offset by an increase in government savings True/False. Remember to include your explanation.
- Suppose that we have an economy whose production can be represented by a Cobb Douglas production function with parameter α=0.3. You may assume that there is no depreciation (i.e. δ=0). a. What fractions of income do capital and labor receive? b. For the following parts, describe what happens to output (in percent), the rental price of capital and the real wage from: i) Suppose that immigration increases the labor force by 10 percent. ii) Suppose that a gift of capital from abroad raises the capital stock by 10 percent. iii) Suppose that a technological advancement raises the value of the parameter A by 10 percent. Type out the correct answer ASAP with proper explanationThe production function is Cobb-Douglas: Y = AK^αL^1−α, where K = 1000, and L = 100. α=0,365 A=2,3 a) How much output does the economy produce?b) What is the real wage rate equal to in equilibrium? c) What is the real rental rate of capital equal to in equilibrium?Our closed economy has a production function Y = A•F(K,LxE), where Y, K, L, E & A all have their usual meanings as per our lectures & course textbook. Also, this production function exhibits all the usual mathematical/economic properties we usually assume: positive marginal products, diminishing marginal products, complementarity between K & (LxE), and constant returns to scale. The aggregate consumption function depends negatively on the real interest rate, the government budget is balanced initially & the economy is in both a long-run equilibrium and steady state initially. The population growth rate is 2% per year, capital depreciates at a rate of 3% per year, the saving rate is 25% and technology is constant. Suppose the level of labour effectiveness (E) suddenly permanently rises by 10%. a) Use the long-run classical model to determine the qualitative impact of this shock on the long-run equilibrium levels of real output, consumption, investment, real interest…
- Our closed economy has a production function Y = A•F(K,LxE), where Y, K, L, E & A all have their usual meanings as per our lectures & course textbook. Also, this production function exhibits all the usual mathematical/economic properties we usually assume: positive marginal products, diminishing marginal products, complementarity between K & (LxE), and constant returns to scale. The aggregate consumption function depends negatively on the real interest rate, the government budget is balanced initially & the economy is in both a long-run equilibrium and steady state initially. The population growth rate is 2% per year, capital depreciates at a rate of 3% per year, the saving rate is 25% and technology is constant. Suppose the level of labour effectiveness (E) suddenly permanently rises by 10%. a) Use the long-run classical model to determine the qualitative impact of this shock on the long-run equilibrium levels of real output, consumption, investment, real interest…(Production function) A technological breakthrough raises a country’s A ̄ by 10%, but capital and labor are all unchanged. Assuming the country’s production function is given by Y = A ̄K1/2L1/2.(a) Figure out what impact this breakthrough will have on the MPK and MPL in that country. (b) Draw a picture Y of against K holding L fixed. 1 (c) Redraw the picture with A ̄ increased to 1.1A ̄ but L fixed at same level as before. (Production function) For the production function Y = K1/3L2/3 (a) find the function for output per capita (b) What is the growth rate of per capita for this function in terms of the growth rate of K, gK, and the growth rate of L, n.Assume that four-sector model is at play. C+I+G. All expenditures are autonomous. Given: C = 700 + 80 (1-t)Y t = 0.25 I = 210 - 75i G = 1000 TR = 100 L = 0.20Y - 40i M/P = 800 Required: 1. Given your simulations above, what realizations do you have with respect to the macroeconomy.
- Consider Ricardian model with two countries, Home and Foreign, and three goods: Cloth, Food and Books. Labor is the only factor of production. Cloth and Food are freely traded between countries, whereas Books are non-tradable. Unit labor requirements in the Home country are 12 for Cloth, 3 for Food and 4 for Books. Unit labor requirements in the Foreign country are 2 for Cloth, 2 for Food and 3 for Books. The total amount of labor in the Home country is 1500, and the total amount of labor in the foreign is 1000. If the world price of Cloth is 18 and the world price of Food is 12, what is the price of Books in the Home country? [Insert the nearest integer.]Consider an economy in which the consumption, investment and production functions are as follows.C = 90 + 0:7(Y - T)I = 250 - 20r F(K;L) = AK1=2L1=2The capital and labor supply are equal to 100 each, A=10, G = 200 and T = 200. Compute theequilibrium values of output, overall labor income, consumption, public savings, national savings,investment, and the interest rate.Suppose now government spending decreases to G=100 (everything else stays the same). Whathappens to output, consumption, savings, investment and the interest rate? Compute the newvalues for these variables.Please Show Each and Every Working VERY CLEARLY. There are NO multi-questions here, only just multi-PART questions which are CONNECTED to each other, and hence, Please do NOT Leave any, Thank You! marginal propensity