This already exists for Uber drivers in California: https://uber.com/blog/set-your-fares/ https://uber.com/blog/set-your-fares/ I don't think it will have much

This already exists for Uber drivers in California: https://uber.com/blog/set-your-fares/ https://uber.com/blog/set-your-fares/ I don't think it will have much impact since small undifferentiated suppliers are largely price takers in a competitive market.