I'm at work right now so I don't have time to summarize, but here are a couple things worth looking at. The USA did studies and experiments with this back in the 60s/70s.

New Jersey Graduated Work Incentive Experiment. https://babel.hathitrust.org/cgi/pt?id=mdp.39015018521420;vi...

PDF warning: https://ia800309.us.archive.org/14/items/PovertyAmidPlentyTh...