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Using the same information as in Exercise 8, suppose now that the only labor available is controlled by a monopolistic labor union that wishes to maximize the rent earned by union members. What will be the quantity of labor employed and the wage rate? How does your answer compare with your answer to Exercise 8? Discuss. (Hint: The union’s marginal revenue curve is given by MR = 120 - 0.2L.)

Short Answer

Expert verified

The quantity of labor employed will be 480 laborers, and the wage rate will be $72. The monopolistic wage rate is higher, and the labor employed will be less than the competitive market.

Step by step solution

01

Step 1. Explanation

The labor demand curve is L = 1200 -10w; thus, the inverse labor demand curve will be w = 120 – 0.1L. The labor supply curve is L = 20w, i.e., w = 0.05L. The labor marginal revenue curve will be

MR = 12 – 0.2L. At equilibrium, the marginal revenue curve is equal to the labor supply curve.

MR = S120 - 0.2L = 0.05L0.25L = 120L = 480w = 120 - 0.1L= 120 - 0.1480= 120 - 48= $ 72

The monopolistic labor demand will be 480 laborers at the wage rate of $72.

The monopolistic wage rate is higher than the competitive market (Example 8), and the labor employed will be lesser than the competitive market (Example 8). The monopolistic labor employed is lower than the competitive market because the competitive market operates at the socially efficient level.​​​​

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Most popular questions from this chapter

The demand for labor by an industry is given by the curve L = 1200 - 10w, where L is the labor demanded per day and w is the wage rate. The supply curve is given by L = 20w. What is the equilibrium wage rate and quantity of labor hired? What is the economic rent earned by workers?

Suppose that a firm’s production function is given by Q = 12L – L2, for L = 0 to 6, where L is labor input per day and Q is output per day. Derive and draw the firm’s demand for labor curve if the firm’s output sells for \(10 in a competitive market. How many workers will the firm hire when the wage rate is \)30 per day? $60 per day? (Hint: The marginal product of labor is 12 - 2L.)

A firm uses a single input, labor, to produce output q according to the production function q = 8√L. The commodity sells for \(150 per unit and the wage rate is \)75 per hour.

  1. Find the profit-maximizing quantity of L.
  2. Find the profit-maximizing quantity of q.
  3. What is the maximum profit?
  4. Suppose now that the firm is taxed \(30 per unit of output and that the wage rate is subsidized at a rate of \)15 per hour. Assume that the firm is a price taker, so the price of the product remains at $150. Find the new profit-maximizing levels of L, q, and profit.
  5. Now suppose that the firm is required to pay a20-percent tax on its profits. Find the new profit-maximizing levels of L, q, and profit.

Question: Suppose there are two groups of workers, unionized and nonunionized. Congress passes a law that requires all workers to join the union. What do you expect to happen to the wage rates of formerly nonunionized workers? Of those workers who were originally unionized? What have you assumed about the union’s behavior?

You are offered the choice of two payment streams: (a) \(150 paid one year from now and \)150 paid two years from now; (b) \(130 paid one year from now and \)160 paid two years from now. Which payment stream would you prefer if the interest rate is 5 percent? If it is 15 percent?

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