Question

Two firms Apple and Samsung in the smart phone market have combined demand given by Q...

Two firms Apple and Samsung in the smart phone market have combined demand given by Q = 200 – P. Their total costs are given by TC Apple = 4  Q Apple +   Q 2Apple and TC Samsung = 4  Q Samsung +   Q 2Samsung . If they cannot successfully collude and instead produce where the market price equals marginal cost, their total output will be:

Homework Answers

Answer #1

Given, Q = 200 - P so P = 200 - Q

where, Q = QA + QS (A- Apple and S - Samsung)

P = 200 - QA - QS

and TCA = 4QA+ QA2

TCS= 4QS+ QS2

If they cannot successfully collude and instead produce where the market price equals marginal cost, then for Apple

P = MCA

MCA = dTCA/dQA = 4 + 2QA

So,

200 - QA - QS = 4 + 2QA

3QA + QS = 196....(i)

And for Samsung,

P = MCS

MCS = dTCS/dQS = 4 + 2QS

So,

200 - QA - QS = 4 + 2QS

QA + 3QS = 196....(ii)

Solving equations (i) and (ii) simultaneously, we get

QA = 49 units and QS = 49 units

Thus, the total output is

Q = QA + QS = 49 + 49 = 98 units

Therefore, If they cannot successfully collude and instead produce where the market price equals marginal cost, their total output will be 98 units.

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