Scandinavian Working Papers in Economics

Research Papers in Economics,
Stockholm University, Department of Economics

No 1999:5: Teaching Cournot without Derivatives

Martin Dufwenberg ()
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Martin Dufwenberg: Dept. of Economics, Stockholm University, Postal: Department of Economics, Stockholm University, S-106 91 Stockholm, Sweden

Abstract: A simple technique for teaching the Cournot model to first year students is presented. The approach involves convincing the students that out of all rectangles with a common circumference, the square has the greatest area. No use is made of derivatives. The same approach can be used to understand some other market forms.

Keywords: Cournot model; teaching; first year students; derivatives; rectangle method

JEL-codes: A22

5 pages, September 13, 1999

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