A firm's production function takes the form: Q(L, K) = min{2L, 3K), where Q represents output and L and K represent labour and capital, respectively and where w and r give the prices of labour and capital. Assuming no other costs, what would be the marginal cost if the firm increased output by 1 unit? = Q( +/+ + + / -) O MC = 3w+2r 3w+2r O MC=3w+2r OMC = + O MC=2w+3r O MC =

A firm's production function takes the form: Q(L, K) = min{2L, 3K), where Q represents output and L and K represent labour and capital, respectively and where w and r give the prices of labour and capital. Assuming no other costs, what would be the marginal cost if the firm increased output by 1 unit? = Q( +/+ + + / -) O MC = 3w+2r 3w+2r O MC=3w+2r OMC = + O MC=2w+3r O MC =

Microeconomic Theory

12th Edition

ISBN:9781337517942

Author:NICHOLSON

Publisher:NICHOLSON

Chapter10: Cost Functions

Section: Chapter Questions

Problem 10.3P

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The production function for the automotive and parts industry is q=L0 25 K0.16 M0.59 where M is energy and materials (based loosely on Klein, 2003). What kind of returns to scale does this production function exhibit? This production function exhibits constant returns to scale. The marginal product of materials, MPM, is O A. MPM = 0.59(q/M) O B. MPM = 0.59L0 25 K0.16M - 0.41 MPM =L0 25K0. 16MO.59 O D. both a and b. O E. all of the above.
30. The production function is f(L, M) = 4L1/2 M¹2, where L is the number of units of labor and M is the number of machines used. If the cost of labor is $49 per unit and the cost of machines is $16 per unit, then what is the total cost of producing 5 units of output?
The production function for a product is given by q= 10K^(1/2)L^(1/2) where K is capital, and L is labor and q is output d) Now suppose w =30 and r = 120. What is the minimum cost of producing q=1000. (You must show your work by clearly writing the equations that you use to derive the cost minimizing levels of L and K.) e) Now suppose that the firm is in the short run and cannot vary the amount of capital. That is, it must use the same amount of capital as in part d). However, the firm wants to produce 1200 units of output. How much labor should it use to minimize its cost and what is the minimum cost of producing q =1200?
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5. The production function is given by y=x₁ + 2x2. If w₁ = 10, w₂ = 8, will the firm use input factor 2 to minimize the cost? In what case will the firm use input factor 2?
A firm can manufacture a product according to the production function Q = F(K, L) = K0.5L0.5. (a) What is the average product of labor, APL, when the level of capital is fixed at 36 units and the firm uses 16 units of labor? (b) What is the marginal product of labor, MPL, when capital is fixed at 36 units? (c) Suppose capital is fixed at 36 units. If the firm can sell its output at a price of $100 per unit of output and can hire labor at $40 per unit of labor, how many units of labor should the firm hire in order to maximize profits?
(b) Compute the marginal products of each input. (c) Does this production function exhibit constant returns to scale? Using the marginal products you have computed in the previous part, explain your answer in no more than 25 words. (d) Suppose that HobbiesCo wants to produce q trains when the price of paint is $72/mL and the price of wood is $18/g. Show that the minimum cost of such an undertaking is c(q) = 2q^2 + 6q + 72. (e) Suppose that the market price is p, and HobbiesCo will produce q units of trains. Using the cost function you found in the previous part, find the supply function of HobbiesCo. Express it as a function of price. (f) Suppose that there are 60 identical firms like HobbiesCo who act as price-takers and the market demand for model trains is given by Q_D = 910 − 5p. Show that the short-run market equilibrium price in this industry is p* = 50. (g) Assuming no shocks to market demand, what is the largest whole number of firms that this market can…
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can you explain the solution for part b like for example how did they get M=y^2/2 and L=2y^2
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Problem 5 The production function of COVID vaccines for firm O is given by v° = VKL. and requires at least one unit of labor L and one unit of capital K, i.e. L>1 und K > 1. a) After a year and some thorough research, the production function changes to VO = V4KL. (I) Compute the marginal products with respect to labor L and capital K for both production functions ! (II) Which company's the marginal products is/are larger ? What happened to the original level of production after a year ? (III) Do the production functions exhibit increasing, constant or decreasing returns to scale ? b) Suppose now, we compare production functions of company O that discovered the vaccine to a second company M. The production function of M is given by VM = K0.6 L0.4 (I) Compute the marginal products with respect to labor L and capital K for this pro- duction function ! (II) If both companies used the same equal amount of labor L and capital K, which of them will generate more output ? (III) If the…