If f F() is strictly concave, f(x - y) displays strictly increasing differences in (x, y).

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If f ∈ F(ℜ) is strictly concave, f(x - y) displays strictly increasing differences in (x, y).
If a function is both convex and concave, it must be affine.

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Foundations of Mathematical Economics

ISBN: 978-0262531924

1st edition

Authors: Michael Carter

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Question Posted: May 02, 2016 11:41 AM

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If f F() is strictly concave, f(x - y) displays strictly increasing differences in (x, y).

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Let 1 2 1 2 with 1 2 and 1 2 No te that 1 2 2 2 2 1 and th...View the full answer

Foundations of Mathematical Economics

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