A fixed amount UBI and a fixed rate tax doesn't do exactly what people want, because it is a huge tax break at the top, and a huge tax increase in the middle if we want to be revenue neutral: The shape of the curve is very different from the current one, and there would be huge winners and losers. Nothing short of a 50% fixed rate will not be a huge tax break for us in the 1%.
I don't know about you, but I don't think that the problem in the US system is that a family with two senior developers pays too many taxes.
Therefore, on top of a UBI, the only thing that doesn't screw the middle class over is to maintain a progressive tax rate.
> Nothing short of a 50% fixed rate will not be a huge tax break for us in the 1%.
The current highest bracket in the US is 39.6%, which doesn't come into play until you've made more than $400K. The vast majority of "middle class" people pay 28% marginal rates or less -- anyone up to $190K for single or $231K for married filing jointly.
A household making $200K currently pays an effective tax rate of ~22% -- and that's $200K after all the deductions. To meet the same effective tax rate with a flat tax against a $12K/year UBI would require a flat tax rate of 28%.
Moreover, to be in "the 1%" you need household income in excess of $400K.
And most of the actual 1% pay the long-term capital gains rate, currently up to 20%, whereas with a 28% flat tax they would be paying 25 to 28%.
I don't know about you, but I don't think that the problem in the US system is that a family with two senior developers pays too many taxes.
Therefore, on top of a UBI, the only thing that doesn't screw the middle class over is to maintain a progressive tax rate.