Question
a) Verify that the function z = a(x^3)+b(x^2)+cx+d is neither quasi-concave nor quasi-convex. b) Is it possible to impose restrictions on the parameters in a)
a) Verify that the function z = a(x^3)+b(x^2)+cx+d is neither quasi-concave nor quasi-convex.
b) Is it possible to impose restrictions on the parameters in a) such that the function becomes quasi-concave for x > 0?
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Economics
Authors: Campbell McConnell, Stanley Brue, Sean Flynn
21st Edition
1259723224, 9781259723223
