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Cost Analysis
Meaning of Costs ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Costs in the Short run ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
A firm’s short run costs
Total costs for firm X TC Output (Q) 0 1 2 3 4 5 6 7 TFC (£) 12 12 12 12 12 12 12 12 TVC (£) 0 10 16 21 28 40 60 91 TC (£) 12 22 28 33 40 52 72 103  TVC TFC
Total costs for firm X TC TVC TFC Diminishing marginal returns set in here
Costs in the Short run ,[object Object],[object Object]
Average and marginal costs Output ( Q ) Costs (£) MC x Diminishing marginal returns set in here
Costs in the Short run ,[object Object],[object Object],[object Object]
Costs in the Short run ,[object Object],[object Object],[object Object],[object Object],[object Object]
Relationship between AC and MC ,[object Object],[object Object],[object Object]
 
Economies of Scale ,[object Object],[object Object],[object Object]
Average and marginal costs Output ( Q ) Costs (£) AFC AVC MC x AC z y
[object Object],[object Object],[object Object],[object Object],[object Object]
Determinants of short run costs ,[object Object],[object Object],[object Object]
[object Object],[object Object]
Costs in the Long run ,[object Object],[object Object],[object Object]
A typical long-run average cost curve Output O Costs Economies of scale Constant costs Diseconomies of scale LRAC
Long-run average and marginal costs Output O Costs LRAC Initial economies of scale, then diseconomies of scale LRMC
Costs in the Long run ,[object Object],[object Object]
Deriving long-run average cost curves: factories of fixed size Costs Output O 3 factories 2 factories 1 factory SRAC 3 SRAC 4 SRAC 5 5 factories 4 factories SRAC 1 SRAC 2
Deriving long-run average cost curves: factories of fixed size SRAC 1 SRAC 3 SRAC 2 SRAC 4 SRAC 5 LRAC Costs Output O
 
 
Costs in the Long run ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Relationship between LRMC and SRMC ,[object Object]
Economies of scope ,[object Object],[object Object]
Measuring Economies of Scope ,[object Object],[object Object],[object Object]
Learning Curve ,[object Object],[object Object],[object Object],[object Object],[object Object]
 
 

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Class costs i

  • 2.
  • 3.
  • 4. A firm’s short run costs
  • 5. Total costs for firm X TC Output (Q) 0 1 2 3 4 5 6 7 TFC (£) 12 12 12 12 12 12 12 12 TVC (£) 0 10 16 21 28 40 60 91 TC (£) 12 22 28 33 40 52 72 103 TVC TFC
  • 6. Total costs for firm X TC TVC TFC Diminishing marginal returns set in here
  • 7.
  • 8. Average and marginal costs Output ( Q ) Costs (£) MC x Diminishing marginal returns set in here
  • 9.
  • 10.
  • 11.
  • 12.  
  • 13.
  • 14. Average and marginal costs Output ( Q ) Costs (£) AFC AVC MC x AC z y
  • 15.
  • 16.
  • 17.
  • 18.
  • 19. A typical long-run average cost curve Output O Costs Economies of scale Constant costs Diseconomies of scale LRAC
  • 20. Long-run average and marginal costs Output O Costs LRAC Initial economies of scale, then diseconomies of scale LRMC
  • 21.
  • 22. Deriving long-run average cost curves: factories of fixed size Costs Output O 3 factories 2 factories 1 factory SRAC 3 SRAC 4 SRAC 5 5 factories 4 factories SRAC 1 SRAC 2
  • 23. Deriving long-run average cost curves: factories of fixed size SRAC 1 SRAC 3 SRAC 2 SRAC 4 SRAC 5 LRAC Costs Output O
  • 24.  
  • 25.  
  • 26.
  • 27.
  • 28.
  • 29.
  • 30.
  • 31.  
  • 32.  

Editor's Notes

  1. 9
  2. 10
  3. 10
  4. 10
  5. 11
  6. 11
  7. 11