Earlier quoted context omitted.
It's not just wealthier people who will be worse off - it's everyone. Basic income is known to create a large disincentive for work. In previous experiments (Mincome) labor supply dropped by about 10% - double what happened during the great recession. This means that fewer working mothers can find child care, fewer laborers to mow your lawn, fewer nurses, fewer teachers, etc. No matter how much money you give to peop…
Where are you finding a drop of 10%? All I can find is "On the whole, the research results were encouraging to those who favour a GAI. The reduction in work effort was modest: about one per cent for men, three per cent for wives, and five per cent for unmarried women. These are small effects in absolute terms and they are also smaller than the effects observed in the four US experiments, a result that once again conf…
https://decorrespondent.nl/541/why-we-should-give-free-money...
Either way, whether it's 13% or 5%, it makes us all poorer.
The Namibia experiment is not remotely comparable. That was a) a transfer of wealth from outside the community into it (closer to imperialism than redistribution), b) poverty in Namibia is not remotely like poverty in the US, and c) a big chunk of the BI in Namibia was directed into investment.
The closest analogue of (c) in the US would be funneling money to rich people (who invest) rather than poor people (who consume).