Earlier quoted context omitted.
The cost is fiction because it's a tax credit. The money is on both sides of the ledger. If you're making $60,000/year and your pre-credit taxes go up by $12,000 and then you get a $12,000 tax credit, you have paid an additional zero dollars in taxes. If you don't make much money and the government used to pay you a net $10,000 in benefits and now you get a $12,000 UBI and pay $2000 in taxes, that hasn't actually cos…
> The cost is fiction because it's a tax credit. The money is on both sides of the ledger. If you're making $60,000/year and your pre-credit taxes go up by $12,000 and then you get a $12,000 tax credit, you have paid an additional zero dollars in taxes. Yes, but marginal rates are important, too.
Which is exactly the point. What's the "marginal tax rate" on low and middle income people of the existing benefits phase outs?
The >100% marginal rates that create actual cliffs are so patently absurd that no one can look at them and find any way to justify it, but even when the combined tax+phase out rates are in the neighborhood of 80-90% of marginal income, that's still not what we want, is it?