They often guarantee drivers a minimum hourly rate to ensure there is a pool of available drivers for their users. If they don't do this, users will get frustra

They often guarantee drivers a minimum hourly rate to ensure there is a pool of available drivers for their users. If they don't do this, users will get frustrated at times and give up on the service. They're essentially loss-leading until a few things happen: - fuel prices drop away - self-driving cars are available - their competitors die out