Whether this estimate is accurate or not is less relevant than the question: If the US economy were boosted by a basic income (or any change, in fact), what per

Whether this estimate is accurate or not is less relevant than the question: If the US economy were boosted by a basic income (or any change, in fact), what percentage of that economic gain would go into the pockets of the people who have been capturing 90% of all growth over the last 20 years? If the answer to my question isn't a very high percentage, then such a program would never even be discussed in Congress.