3) Suppose that a firm's fixed proportion production function is given by q=min (5K, 10L), and that the rental rates for capital and labor are given by v=1, w=3. a.) What are the firm's long-run total, average, and marginal cost functions? b.) Suppose that K is fixed at 10 in the short-run. Calculate the firm's short-run total, average, and marginal cost curves. What is the marginal cost of the 10th unit? The 50th unit? The 100th unit?

3) Suppose that a firm's fixed proportion production function is given by q=min (5K, 10L), and that the rental rates for capital and labor are given by v=1, w=3. a.) What are the firm's long-run total, average, and marginal cost functions? b.) Suppose that K is fixed at 10 in the short-run. Calculate the firm's short-run total, average, and marginal cost curves. What is the marginal cost of the 10th unit? The 50th unit? The 100th unit?

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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1/2 Consider a firm with the production function ƒ(x₁, x₂) = x¹/²x₂. The price of the two inputs is ₁ = 2 and w₂ = 1. If x₁ = x₂ = 16, the marginal product of input 1 is When ₁ is increasing and 2 stays the same, the marginal product of input 1 is Constant Decreasing Increasing This production function has Constant returns to scale Decreasing returns to scale O Increasing returns to scale None of the other answers is correct Does the production function have a diminishing technical rate of substitution? No Yes
The four statements below describe properties of a firm's short run cost curves. Complete the statements using words from the list given below. • The increase in total cost from producing an additional unit of output is called • Average cost is the total cost of When a firm's average cost curve crosses the marginal cost curve, average costs are When a firm's average cost is greater than marginal cost, then producing an additional unit of output will result in a fall in average cost marginal cost at a minimum at a maximum production production divided by the quantity of units produced
Suppose the long-run production function for a competitive firm is f(x1,x2)= min {x1,2x2}. The cost per unit of the first input is w1 and the cost of the second input is w2. .a. Find the cheapest input bundle, i.e. amount of labor and capital, that yields the given output level of y. .b. Draw the conditional input demand functions for labor and capital in the x1-y and x2- y spaces. .c. Write down the formula and draw the graph of the firm’s total cost function as a function of y, using the conditional input demand functions. What is the relationship between the returns to production scale and the behavior of the total costs? .d. Write down the formula and draw the graph of the average cost function, as a function of y. .e. Write down the formula and draw the graph of the marginal cost function, as a function of y.
solve this one
Could you solve d,e,f ? Thank you
1. Suppose the total-cost function for a firm is given by C = qw 1/4 3/4 a. Use Shephard's lemma to compute the (constant output) demand functions for each input, k and 1. b. Calculate the average cost and marginal cost. c. Describe the returns to scale for the underlying production function for q.
The short run production function of a competitive firm is given The short-run production function of a competitive firm is given by f (L) = 6L2/3, where L is the amount of labor it uses. (For those who do not know calculus—if total output is aLb, where a and b are constants, and where L is the amount of some factor of production, then the marginal product of L is given by the formula abLb−1.) The cost per unit of labor is w = 6 and the price per unit of output is p = 3. (a) Plot a few points on the graph of this firm’s production function and sketch the graph of the production function, using blue ink. Use black ink to draw the isoprofit line that passes through the point (0, 12), the isoprofit line that passes through (0, 8), and the isoprofit line that passes through the point (0, 4). What is the slope of each of the isoprofit lines? (b) How many units of labor will the firm hire? (c) Suppose that the wage of labor falls to 4, and the price of output…
K Suppose that a firm's production function is q=5x in the short run, where there are fixed costs of $1,000, and x is the variable input whose cost is $625 per unit. What is the total cost of producing a level of output q? In other words, identify the total cost function C(q). The total cost of producing ya level of output q is A. C(q)= 1,000. OB. OC. OD. OE C(q)= 1,000+ C(q)= 1,000+ C(q) = 1,000+ 625q² C(q)= 25 q² 25 625q² 25 0.5 q B Dollars per unit of output 2000- 1800- 1600- 1400- 1200- 1000- 800- 600 400- 200- a 12 14 10 Quantity nchack 18 (1) Incorrect
3. Suppose a firm has the following production function q = LK4. Let the unit price of capital be 1 and the unit price of labour be w. a) Use the Lagrangian method to find the optimal number of each input used to produce an order of q'units b) Find the long-run cost function. c) How does the cost function change if the wage rate changes?
A firm has the following Cobb-Douglas production function: q=(L^α)(K^1-α)0<α < 1 is a parameter. Suppose in the short run K = 1. The rental rate of a unit of K is $10, and the wage rate of a unit of L is $20.(a) Derive the marginal cost of the firm (expressed in terms of α and q).(b) Derive the average variable cost of the firm (expressed in terms of α and q).(c) Derive the cost function of the firm.