These actually exist in the fiat world as well, and have been shown to increase the savings rate. Interesting coverage on the Freakonomics podcast here: https:/

These actually exist in the fiat world as well, and have been shown to increase the savings rate. Interesting coverage on the Freakonomics podcast here: https://freakonomics.com/podcast/say-no-no-lose-lottery-rebroadcast/ https://freakonomics.com/podcast/say-no-no-lose-lottery-rebr...