The graph below is intended to repre- sent the welfare effect of a merger in which prices change from a premerger competitive price p, to a postmerger price pm, where both firms charged the same price premerger and were profitable and where both firms faced marginal costs c, before the merger

Microeconomic Theory
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ISBN:9781337517942
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Chapter15: Imperfect Competition
Section: Chapter Questions
Problem 15.6P
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4. 

3. The graph below is intended to repre-
sent the welfare effect of a merger in
which prices change from a premerger
competitive price p. to a postmerger
price pm, where both firms charged
the same price premerger and were
profitable and where both firms faced
marginal costs c. before the merger
which went down to cm after the merger.
(a) Insert the labels pc, Pm, qc, qm at the
right places in the graph.
(b) Label the demand curve in the
graph.
(c) For each of the fifteen regions be-
tween the axes and the demand
curve, indicate how the merger
changed who got what. For in-
stance, write P → N to mean that
producers had the area before the
merger and no one has it after.
(d) What is deadweight loss in this
graph if fixed
osts do not change?
Transcribed Image Text:3. The graph below is intended to repre- sent the welfare effect of a merger in which prices change from a premerger competitive price p. to a postmerger price pm, where both firms charged the same price premerger and were profitable and where both firms faced marginal costs c. before the merger which went down to cm after the merger. (a) Insert the labels pc, Pm, qc, qm at the right places in the graph. (b) Label the demand curve in the graph. (c) For each of the fifteen regions be- tween the axes and the demand curve, indicate how the merger changed who got what. For in- stance, write P → N to mean that producers had the area before the merger and no one has it after. (d) What is deadweight loss in this graph if fixed osts do not change?
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