Two firms have the following cost functions (and the marginal
cost functions in parentheses)
Firm 1: C1 = 0.75q13 –
6q12 + 180q1 (MC1 =
2.25q12 – 12q1 + 180)
Firm 2: C2 = 0.5q23 –
20q22 + 100q2 (MC2 =
1.5q22 – 40q2 + 100
At what output level is average cost minimized at each firm?
Firm 1:
Firm 2:
If the 2 firms merged, they would have the following joint cost
function:
C = 0.75q13 – 6q12 +
180q1 + 0.5q23 –
20q22 + 100q2 +
3q1q2
Assuming positive production of both goods, would the merger create
economies of scope?
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