There's a difference between illustrating a qualitative economic phenomenon (which the Laffer curve does) and actually building policy proposals based on it. I

There's a difference between illustrating a qualitative economic phenomenon (which the Laffer curve does) and actually building policy proposals based on it. It doesn't get more laissez-faire than Rothbard, and here's him ripping apart Reaganomics from 1987: https://mises.org/library/myths-reaganomics https://mises.org/library/myths-reaganomics That said, one should be careful on quantifying "incomes" since it's a multifaceted idea.