Chapter 4 Costs of Production TShirts Produced per

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Chapter 4 – Costs of Production

Chapter 4 – Costs of Production

T-Shirts Produced per Day 300 250 TP 200 150 100 50 0 1 2

T-Shirts Produced per Day 300 250 TP 200 150 100 50 0 1 2 3 4 5 6 T-Shirts Produced per Day Number of Workers Employed per Day Diminishing returns set in 120 100 80 60 AP 40 20 0 -20 1 2 3 4 5 6 MP Number of Workers Employed per Day

T-Shirts Produced per Day 300 250 TP 200 150 100 50 0 1 2

T-Shirts Produced per Day 300 250 TP 200 150 100 50 0 1 2 3 4 5 6 T-Shirts Produced per Day Number of Workers Employed per Day Diminishing returns set in 120 100 80 60 AP 40 20 0 -20 1 2 3 4 5 6 MP Number of Workers Employed per Day

Labour (L) Total Marginal Fixed Variable Product Costs (MP) (q) (FC) (VC) 0 0

Labour (L) Total Marginal Fixed Variable Product Costs (MP) (q) (FC) (VC) 0 0 1 80 2 200 3 250 4 270 5 280 80 120 50 20 10 Average Marginal Average Cost Fixed Costs Variable (AC) (MC) (AFV) Costs (ΔTC/Δq) (FC/q) (AVC) (AFC + AVC) (VC/q) Total Cost (TC) (FC + VC) $825 $0 $825 140 965 825 300 1125 825 425 1250 825 535 1360 825 640 1465 140 $1. 75 160 1. 33 125 2. 50 110 5. 50 105 10. 50 $10. 31 $1. 75 $12. 06 4. 13 1. 50 5. 63 3. 30 1. 70 5. 00 3. 06 1. 98 5. 04 2. 95 2. 29 5. 24

1. Increasing Returns to Scale (Economies of Scale)

1. Increasing Returns to Scale (Economies of Scale)

2. Constant Returns to Scale

2. Constant Returns to Scale

2. Constant Returns to Scale 3. Decreasing Returns to Scale

2. Constant Returns to Scale 3. Decreasing Returns to Scale

Long-Run Average Costs AC 4 $ per Magazine AC 1 AC 2 Range A

Long-Run Average Costs AC 4 $ per Magazine AC 1 AC 2 Range A AC 3 Range B Quantity of Magazines per Week Range C Long-Run AC

There are some industries that ONE RANGE will DOMINATE the LR average cost Possible

There are some industries that ONE RANGE will DOMINATE the LR average cost Possible Long-Run Average Costs Extended Range of Decrease Returns to Scale Extended Range of Constant Returns to Scale Extended Range of Increasing Returns to Scale Quantity of Output Manufacturing Industry Long-Run AC Quantity of Output Craft Industries $ per Unit Long-Run AC Quantity of Output Primary Industries