Select the correct statements in respect to the relationship between short-run cost curves.
A. Marginal cost (SMC), average variable cost(AVC) and short run average cost curves(SMC) are 'U' shaped.
B. SMC curve cuts the AVC curve from below at the minimum point of AVC.
C. AVC curve cuts the SMC curve from below at the minimum point of SMC.
D. SMC curve cuts the SAC curve from below at the minimum point of SAC.
Choose the correct answer from the options given below:
Select the correct statements in respect to the relationship between short-run cost curves.
A. Marginal cost (SMC), average variable cost(AVC) and short run average cost curves(SMC) are 'U' shaped.
B. SMC curve cuts the AVC curve from below at the minimum point of AVC.
C. AVC curve cuts the SMC curve from below at the minimum point of SMC.
D. SMC curve cuts the SAC curve from below at the minimum point of SAC.
Choose the correct answer from the options given below:
Solution
SMC, AVC and SAC are all U-shaped in the short run (A). SMC cuts AVC from below at the minimum point of AVC (B) and cuts SAC from below at the minimum point of SAC (D). Statement C is incorrect: it is SMC that cuts the average curves at their minimum points, not AVC cutting SMC at minimum SMC. Hence A, B and D only.
Note: In statement A, the third curve is labelled SMC in the NTA paper; we have read it as SAC, which appears to be the intended abbreviation.
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