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PowerPoint Slides by Robert F. BrookerCopyright (c) 2001 by Harcourt, Inc. All rights reserved. Short-Run Cost Functions Total Cost = TC = f(Q) Total Fixed.

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Presentation on theme: "PowerPoint Slides by Robert F. BrookerCopyright (c) 2001 by Harcourt, Inc. All rights reserved. Short-Run Cost Functions Total Cost = TC = f(Q) Total Fixed."— Presentation transcript:

1 PowerPoint Slides by Robert F. BrookerCopyright (c) 2001 by Harcourt, Inc. All rights reserved. Short-Run Cost Functions Total Cost = TC = f(Q) Total Fixed Cost = TFC Total Variable Cost = TVC TC = TFC + TVC

2 PowerPoint Slides by Robert F. BrookerCopyright (c) 2001 by Harcourt, Inc. All rights reserved. Short-Run Cost Functions Average Total Cost = ATC = TC/Q Average Fixed Cost = AFC = TFC/Q Average Variable Cost = AVC = TVC/Q ATC = AFC + AVC Marginal Cost = TC/ Q = TVC/ Q

3 PowerPoint Slides by Robert F. BrookerCopyright (c) 2001 by Harcourt, Inc. All rights reserved. Short-Run Cost Functions

4 PowerPoint Slides by Robert F. BrookerCopyright (c) 2001 by Harcourt, Inc. All rights reserved.

5 Short-Run Cost Functions Average Variable Cost AVC = TVC/Q = w/AP L Marginal Cost TC/ Q = TVC/ Q = w/MP L

6 PowerPoint Slides by Robert F. BrookerCopyright (c) 2001 by Harcourt, Inc. All rights reserved. Long-Run Cost Curves Long-Run Total Cost = LTC = f(Q) Long-Run Average Cost = LAC = LTC/Q Long-Run Marginal Cost = LMC = LTC/ Q

7 PowerPoint Slides by Robert F. BrookerCopyright (c) 2001 by Harcourt, Inc. All rights reserved. Derivation of Long-Run Cost Curves

8 PowerPoint Slides by Robert F. BrookerCopyright (c) 2001 by Harcourt, Inc. All rights reserved. Relationship Between Long-Run and Short-Run Average Cost Curves

9 PowerPoint Slides by Robert F. BrookerCopyright (c) 2001 by Harcourt, Inc. All rights reserved. Possible Shapes of the LAC Curve


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