The government will be collecting more tax revenue, but it will also be paying more out. The ‘net tax’ they collect (taxes minus Basic Income and other ‘welfare’’ payments) need not be any higher than it is now.
As to the idea that Basic Income will remove the motivation to work for a large section of the population, I don’t think that is true at all. And for an explanation, perhaps you would like to read this article:
Basic Income and the Video Game Myth
Basic Income — a regular payment of money for every resident citizen, regardless of their circumstances, sufficient to…
Furthermore, overall work incentives will be enhanced by the removal of the poverty trap caused by existing welfare system — by which welfare payments are lost when people earn more money.
Middle and high income earners can maintain their consumption levels, because Basic Income can actually place a lower burden on them than existing welfare systems. And I think there are limits to what their clever accountant can achieve to hide their incomes, provided the government is sensible in how they organise the tax system.
It has all been worked out, but sure, if you want further details, please feel free to read my other articles and books and get in touch if you have any further questions.
My Basic Income ‘Stories’ on Medium.com
Not all my Basic Income Medium articles are in the same place — so you might find these links helpful:
You might find this video particularly helpful:
And perhaps this one, too:
I hope that helps! :)