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KR. PowerPoint Presentation

KR.

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KR.

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  1. kjeld@tyllesen.dk; 23/11/09 5. Cournot model KR. PMarked = - Q + 12 KR. Væsentligste forudsætninger: MCA = MCB = 0 => PB = - Q + 6 Givet, at nu er QA = 6 12 12 A starter som Monopolist MRB fastlægges PMarked = - Q + 12 Optimering MRA fastlægges => QB = 3 , PB = 3 Optimering 6 QA = 6 6 , PA = 6 => QA = 6 3 PMarked PB PMarked, PA 6 12 Q Q 12 6 3 MRB MRA PMarked = - Q + 12 KR. KR. => KR. PMarked = - Q + 12 PMarked = - Q + 12 12 Givet, at nu er QA = QB = 4 12 => 12 => Givet, at QA = 4,5 Givet, at nu er QB = 3 PA = PB = - Q + 8 PB = - Q + 7,5 PA = - Q + 9 MRA = MRB fastlægges LIGEVÆGT 9 MRB fastlægges 8 MRA fastlægges 7,5 Optimering QB = 3 QA = 4,5 Optimering Optimering => QA = QB = 4 => QB = 3,75 => QA = 4,5 QA = QB = 4 PA = PB = 4 PB = 3.75 4,5 PA = 4,5 4 3,75 PMarked PMarked PMarked PA, PB PA PB Q Q 4 8 12 4,5 9 7,5 12 Q 12 3,75 MRA MRB MRA = MRB