430 likes | 560 Views
Costs. Short-run costs. Total cost. Total costs for firm X. Output (Q) 0 1 2 3 4 5 6 7. TFC (£) 12 12 12 12 12 12 12 12. Total costs for firm X. Output (Q) 0 1 2 3 4 5 6 7. TFC (£) 12 12 12 12 12 12 12 12. TFC. Total costs for firm X. Output (Q) 0
E N D
Short-run costs Total cost
Total costs for firm X Output (Q) 0 1 2 3 4 5 6 7 TFC (£) 12 12 12 12 12 12 12 12
Total costs for firm X Output (Q) 0 1 2 3 4 5 6 7 TFC (£) 12 12 12 12 12 12 12 12 TFC
Total costs for firm X Output (Q) 0 1 2 3 4 5 6 7 TVC (£) 0 10 16 21 28 40 60 91 TFC (£) 12 12 12 12 12 12 12 12 TFC
Total costs for firm X Output (Q) 0 1 2 3 4 5 6 7 TVC (£) 0 10 16 21 28 40 60 91 TFC (£) 12 12 12 12 12 12 12 12 TVC TFC
Total costs for firm X Diminishing marginal returns set in here TVC TFC
Total costs for firm X Output (Q) 0 1 2 3 4 5 6 7 TVC (£) 0 10 16 21 28 40 60 91 TFC (£) 12 12 12 12 12 12 12 12 TVC TFC
Total costs for firm X Output (Q) 0 1 2 3 4 5 6 7 TVC (£) 0 10 16 21 28 40 60 91 TC (£) 12 22 28 33 40 52 72 103 TFC (£) 12 12 12 12 12 12 12 12 TVC TFC
Total costs for firm X Output (Q) 0 1 2 3 4 5 6 7 TVC (£) 0 10 16 21 28 40 60 91 TC (£) 12 22 28 33 40 52 72 103 TFC (£) 12 12 12 12 12 12 12 12 TC TVC TFC
Total costs for firm X Diminishing marginal returns set in here TC TVC TFC
Short-run costs Marginal cost = TC / Q
Deriving marginal costs QTC MC 0 12 122 2 28 3 33 4 40 5 52 6 72 7 103 10 6 5 7 12 20 31 Costs (£) Q
Deriving marginal costs Costs (£) QTC MC 0 12 122 2 28 3 33 4 40 5 52 6 72 7 103 TC 10 6 5 7 12 20 31 Q
Deriving marginal costs Costs (£) QTC MC 0 12 122 2 28 3 33 4 40 5 52 6 72 7 103 TC 10 6 5 7 12 20 31 DTC = 12 DQ = 1 Q
Deriving marginal costs Diminishing returns set in here Costs (£) QTC MC 0 12 122 2 28 3 33 4 40 5 52 6 72 7 103 TC 10 6 5 7 12 20 31 MC Q
Deriving marginal costs Diminishing marginal returns set in here Costs (£) MC Q
Short-run costs Average cost =TC / Q
QTVC AVC 0 0- 1 10 10 2 16 8 3 21 7 4 28 7 5 40 8 6 60 10 7 91 13 Costs (£) AFC Q
Costs (£) QTVC AVC 0 0- 1 10 10 2 16 8 3 21 7 4 28 7 5 40 8 6 60 10 7 91 13 3 AVC AFC Q
Q TC AC 0 12 1 2222 2 2814 3 33 11 4 4010 5 52 10.4 6 7212 710314.7 Costs (£) AVC AFC Q
Q TC AC 0 12 1 2222 2 2814 3 33 11 4 4010 5 52 10.4 6 7212 710314.7 Costs (£) AC AVC AFC Q
QTC MC 0 12 1 22 2 28 3 33 4 40 5 52 6 72 7103 10 6 5 7 12 20 31 Costs (£) Q
QTC MC 0 12 1 22 2 28 3 33 4 40 5 52 6 72 7103 10 6 5 7 12 20 31 Costs (£) MC Q
QTC MC AC 0 12 1 22 2 28 3 33 4 40 5 52 6 72 7103 Costs (£) - 22 14 11 10 10.4 12 14.7 MC 10 6 5 7 12 20 31 Q
QTC MC AC 0 12 1 22 2 28 3 33 4 40 5 52 6 72 7103 Costs (£) - 22 14 11 10 10.4 12 14.7 MC 10 6 5 7 12 20 31 AC Q
Average and marginal costs MC AC AVC z y x AFC Costs (£) Output (Q)
Long-run costs Long-run costs =TC / Q
Alternative long-run average cost curves LRAC Economies of Scale Costs O Output
Alternative long-run average cost curves LRAC Diseconomies of Scale Costs O Output
Alternative long-run average cost curves LRAC Constant costs Costs O Output
A typical long-run average cost curve LRAC Costs O Output
A typical long-run average cost curve LRAC Economies of scale Constant costs Diseconomies of scale Costs O Output
Long-run average and marginal costs LRMC Economies of Scale Costs LRAC O Output
Long-run average and marginal costs LRMC LRAC Diseconomies of Scale Costs O Output
Long-run average and marginal costs Constant costs Costs LRAC = LRMC O Output
Long-run average and marginal costs LRMC Initial economies of scale, then diseconomies of scale LRAC Costs O Output
Long-run costs Relationship between short-run and long-run AC curves
Deriving long-run average cost curves: factories of fixed size SRAC5 SRAC1 SRAC2 SRAC4 SRAC3 5 factories 4 factories 1 factory Costs 2 factories 3 factories O Output
Deriving long-run average cost curves: factories of fixed size SRAC5 SRAC1 SRAC2 SRAC4 SRAC3 LRAC Costs O Output
Deriving long-run average cost curves: choice of factory size Costs Examples of short-run average cost curves O Output
Deriving long-run average cost curves: choice of factory size LRAC Costs O Output