A competitive firm produces its output, y according to the production function: y = F(K, L), where K and L are capital and labour inputs. Let the prices of output K and L be given by p, w, and s, respectively. Assume that K is fixed in the short run. In addition, assume that the production function exhibits constant returns to scale in K and L. Show that the firm’s short-run supply function is linear in L.
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A competitive firm produces its output, y according to the production function: y = F(K, L), where K and L are capital and labour inputs. Let the prices of output K and L be given by p, w, and s, respectively. Assume that K is fixed in the short run. In addition, assume that the production function exhibits constant returns to scale in K and L. Show that the firm’s short-run supply function is linear in L.
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- Derive the long-run TC, MC, and AC from the production function Q= (L^a)(K^b) assuming that the prices of K and L (r,w) are both 1Suppose the long-run production function for a competitive firm is f(L,K)= L 1/3 K 1/4 , where L is the amount of labor and K is the amount of capital. The cost per unit of labor is w and the cost of capital is r, which is the interest rate. Fixed costs are zero. .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 L-y and K-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 and marginal cost functions, as functions of y.A competitive firm produces output using three fixed inputs and one variable input. The firm’s short-run production function is q = 200x − 3x^2, where x is the amount of variable input used. The price of the output is $5 per unit and the price of the variable input is $10 per unit. In the short run, how many units of x should the firm use?
- 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.Consider the following production function: Q = (1-x-1)yk. Assume we are dealing with the short run, so capital is fixed, i.e. k=1. Assume the prices of both inputs x and y are 1 and the cost of capital is r = 3. Assume that the price of the output is 3. Suppose the size of the market is limited and only 4 units can be sold at most. Answer the following: (A) Is this business viable? Use math to justify your answer. (B) Give an example of a business that can be represented by this function. Justify why you think this function appropriately models it. Hints: Look at other problems you solved. Find the break-even point. Find where minimized costs equals total revenue. You will need costs and revenue as a function of Q. Use the break even to assess whether this business is a good option. Think about what x could mean.Consider the following production function: f (A, B) = gamma multiply A^alpha multiply B^Beta. where A and B are the inputs and alpha, Beta, gamma are in the set (0,1). Let wA and wB the price of the two inputs. Assume wA, wB > 0. Is the production function separable?Does the production function exhibit constant returns of scale?Compute the cost function and the conditional input demand function.How do these three functions react to a change in wA? Suppose the price of both inputs double, what happens to the conditional input demand function? And to the cost function? Suppose the desired level of output double, what happens to the conditional input demand function? And to the cost function?…
- Consider a price-taking firm whose production function is given by q = 3 (L-9)1/5 (K-5)1/9 where L and K denote respectively the amount of labour and capital the firm uses to produce q units of output. Suppose the price of labour is w = 16, the price of capital is 24 and the price of the firm's output is p=225 . Enter below the value of the firm's fixed cost.Consider a price-taking firm whose production function is given by q = 3 L1/5 K1/9 where L and K denote respectively the amount of labour and capital the firm uses to produce q units of output. Suppose the price of labour is w = 16, the price of capital is 24 and the price of the firm's output is p=225 . Find the firm's cost function. Then enter below the value of the firm's marginal cost at the point where q = 100.A firm uses labor (L) and capital (K) to produce rocking chairs (Q) with the following production function Q=LK. The wage (w) is $10 and the rate of capital (r) is $20. The target number of rocking chairs to produce is 800. It is the short run and the amount of K is fixed at 5. What the optimal values for L* and K* in the short run? Enter the number for the the optimal amount of L in the short run? Enter the number for the the "optimal" amount of K in the short run?
- Let y = f(x1, x2)=x11/2 + x1x2 be a firm’s production function, where x1≥0, x2≥0. Write down the firm’s production possibility set, and its input requirement set. Is this production function concave, quasi-concave? Is this production function homogenous? Find its returns to scale when x1=1, and x2=1.Suppose the long-run production function for a competitive firm is f(x1,x2)= min {3x1,2x2}. 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: 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? C: Write down the formulas and draw the graphs of the average cost and marginal cost functions, as functions of y.Assume a firm is trying to maximize output subject to a budget and is currently in the long run equilibrium shown below. Make changes to the graph to show the impact of a decrease in the wage. Make sure that the graph shows the new output-maximizing combination as well as the new levels labor and capital.