Article is light on details, I hope this is an ongoing $250 to the same individu...

Article is light on details, I hope this is an ongoing $250 to the same individuals, otherwise I don't think it is a good UBI experiment.

You could give 66 people $250 a month forever[1]. 20,000 individuals spends all of the endowment immediately.

[1] Assuming 3% inflation, 7% investment returns, and the foundation is spending 4% on payouts.