Question

In: Economics

Use the following information to answer questions 1-7 Consider a firm that daily rents machinery for...

Use the following information to answer questions 1-7

Consider a firm that daily rents machinery for the cost of $1000 and employs workers at the cost of $100 for a full day of work. The following table describes the production function of the firm. Fill the table such that you can make some production decisions for this firm.

Units of Labor

Units of Production

Fixed Costs

Variable Costs

Total Costs

Average Variable Costs

Average Total Costs

Marginal Cost

1

11.00

2

16.24

3

19.89

4

22.48

5

24.48

6

26.13

7

27.51

8

28.71

9

29.78

10

30.72

11

31.58

12

32.36

13

33.08

14

33.75

15

34.37

1. At what approximate level of production is the marginal cost of production equal to the average total cost?

2. What would be the firm’s level of production if the price of the good was $60?

3. What would be the firm’s profits at equilibrium if the price of the good was $60?

4. What would be the price of the good if the firm is employing 8 workers at equilibrium?

5. What would be the profit of the firm if the firm is employing 8 workers at equilibrium?

6. What would be the price of the good if the firm is employing 9 workers at equilibrium?

7. What would be the profit of the firm if the firm is employing 9 workers at equilibrium?

Solutions

Expert Solution

L Q FC= rK= $1000 VC= wL= (100)(L) TC= FC+VC AVC= VC/Q ATC=TC/Q MC=(Change in TC/ Change in Q)
1 11 1000 100 1100 9.09 100 -
2 16.24 1000 200 1200 12.32 73.89 19.08
3 19.89 1000 300 1300 15.08 65.36 27.4
4 22.48 1000 400 1400 17.79 62.28 38.61
5 24.48 1000 500 1500 20.42 61.27 50
6 26.13 1000 600 1600 22.96 61.23 60.61
7 27.51 1000 700 1700 25.45 61.8 72.46
8 28.71 1000 800 1800 27.86 62.7 83.3
9 29.78 1000 900 1900 30.22 63.80 93.46
10 30.72 1000 1000 2000 32.55 65.10 106.38
11 31.58 1000 1100 2100 34.83 66.5 116.28
12 32.36 1000 1200 2200 37.08 67.99 128.20
13 33.08 1000 1300 2300 39.3 69.53 138.89
14 33.75 1000 1400 2400 41.48 71.11 149.25
15 34.37 1000 1500 2500 43.64 72.74 161.3

1. We know that MC = ATC , when ATC is at its minimum level. So, approximate Q=26.13 units, marginal cost of production equal to the average total cost.

2. Profit maximizing condition is P=MC. If P=$60 , then the firm's optimal level of production is 24.48 units.

3. Firm's profit = TR-TC =(P)(Q)- (TC)= $(60)(24.48)-1500 = -$31.2 (i.e loss).

4. If L=8 , then price of the good is $83.3 i.e equal to MC.

5. If L=8 , then optimal output is 28.71 units . Therefore,Profit = TR-TC = (83.3)(28.71)- (1800)= $591.54.

6. If L=9 , then price of the good is $93.46 which is equal to MC .

7. If L=9 , then optimal output is 29.78 units. Therefore, profit = TR-TC= (93.46)(29.78)-1900 = $883.23.


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