This isn't immediately obvious to me, especially if basic income is implemented as a negative income tax. Of course if there are more people beneath the tax th

This isn't immediately obvious to me, especially if basic income is implemented as a negative income tax. Of course if there are more people beneath the tax threshold you have to pay out more, but that might well be offset by their added contributions to the economy. I'm not saying it definitely will be, but it's not obvious that it won't.