Question #274140

A firm’s production can be described with the following production function q = 6L2 -L3 + 20L, the amount of capital is fixed at 3 units and the total revenues are given by TR = 5q. Labour supply that the firm faces is given by the function w = 100.

• Decide whether the company is a perfect or imperfect competitor in the output market.

• Decide whether the company is a perfect or imperfect competitor in the labour market.

• Express the function MRPL , ARPL , MFCL , and AFCL .

• Determine how employees the firm is willing to employ. Next, determine the wage rate that the firm will pay for each unit of labour.


1
Expert's answer
2021-12-02T10:38:38-0500

Solution:

Production function (q) = 6L2 – L3 + 20L

MPL = QL\frac{\partial Q} {\partial L} = 12L – 3L2 + 20

The company is an imperfect competitor in the output market since it is a monopoly.

 

The company is an imperfect competitor in the labor market.

 

MRPL = MR x MPL

MR = TRQ=5\frac{\partial TR} {\partial Q} = 5

MRPL = 5 ×\times (12L – 3L2 + 20) = 60L – 15L2 + 100

 

ARPL = AR ×\times APL

AR = TRQ=5QQ=5\frac{TR}{Q} = \frac{5Q}{Q} = 5


APL = QL\frac{Q}{L} = 6L2 – L3 + 20LL\frac{20L}{L} = 6L – L2 + 20

ARPL = 5 x (6L – L2 + 20) = 30L – 5L2 + 100

 

MFCL = MFC x L

MFC = TFCQ\frac{\partial TFC} {\partial Q} = 12L – 3L2 + 20

MFCL = 100 ×\times (12L – 3L2 + 20) = 1200L – 300L2 + 2000

 

AFCL = AFC ×\times L

AFC = TFCQ\frac{TFC}{Q} = 6L2 – L3 + 20LL\frac{20L}{L} = 6L – L2 + 20

AFCL = 100. (6L – L2 + 20) = 600L – 100L2 + 2000

 

Number of employees to employ = TFCQ\frac{TFC}{Q}

TFC = 6(32) – 33 + 20(3) = 87

= 873\frac{87}{3} = 29

Number of employees to employ = 29 employees

Wage rate = 293\frac{29}{3} = 9.6


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