# A utility function that gives a regressive tax rate [closed]

I see some discussion that the reasoning for the construction of a tax rate function is the utility function. Whould $$u=\ln\ln w$$ function where $$u$$ is the utility and $$w$$ the wealth give a regressive tax rate?

## closed as unclear what you're asking by Giskard, Maarten Punt, Patricio, dismalscience, emeryvilleFeb 28 at 17:46

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