1.

Show with the help of numerical example that average cost is constant when marginal cost is equal to it.

Answer»

Following table considers a situation when MC = AC over a range of output. It is a situation of constant returns to a factor.

OutputTotal CostMCAC
1101010
2201010
3301010
4401010
5501010

The table shows that when constant returns to a factor prevail over a range of output (1-5 units of output), MC remains constant. Consequently, TC increases at a constant rate and MC and AC are found to be equal to each other. In the entire range of output when AC = MC, AC is also found to be constant (like MC).



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