[JoshTriplett]

Ideally, the funding for it would on net come from the substantial economic boost created by UBI. More startups, more innovation, more job mobility, higher salaries (because people have more options), more education and training and skilled labor (because people have more ability to not work)...

[mitthrowaway2]

Indeed. I think one underappreciated economic boost would just be the greater economies of scale that so many production lines will be able to operate at when everyone can afford to buy their output!