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Example of a Monotonic, Everywhere Differentiable Function on ℝ Whose Derivative Is not ...

https://doi.org/10.4169/amer.math.monthly.120.06.566 https://www.jstor.org/stable/10.4169/amer.math.monthly.120.06.566 Abstract We construct an example of a monotonic ...
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Differentiable Technology, the Curvature of the Profit Function, and the Response of Supply ...

The author establishes a property of supply for a competitive firm: Assuming differentiability of the production frontier, linearly independent price vectors have disjoint image sets under the supply ...