[MatthewMob]

Of course not, there are a plethora of factors that would alter the effectiveness of UBI, looking at it so simply and then rejecting it outright is dishonest.

Money would majorly come from those who have the greater means to pay larger amounts into the system, and on the hypothesis that bettering the material conditions of those in the lower and middle class will necessarily lead to increasing productivity and thus (and 'thus' is a large leap) greater general income that can partly be paid back into the system in a cycle.

[randomsilence]

You can use purchasing power parity differences to check it out. Find like-minded first world people to pool a fraction of their income and you can offer UBI to a third world village or town.