Teaching Cournot without Derivatives

Martin Dufwenberg
2001 Journal of Economic Education  
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.
doi:10.2307/1183212 fatcat:fgdxpl2bk5afrln62pyby6pqra