It seems a lot more efficient to do a tabletop or synthetic study, rather than outright paying people BI as a sample. Probably what I'd do is look at people re

It seems a lot more efficient to do a tabletop or synthetic study, rather than outright paying people BI as a sample. Probably what I'd do is look at people receiving benefits equivalent to basic income. Disability is a good proxy for some -- you would need to correct for the disability itself. 20 year military pensions are another.