Yes, but how to you measure supply and demand? How do you set prices? Those are the details that define the patent.
I'd be interested to hear of a method for measuring supply (number of drivers) and demand (number of potential customers) that wouldn't be considered obvious. It is after all one of the most basic areas of economics. Setting prices will be an algorithm and they aren't eligible for patenting in a lot of countries and difficult to protect in others. Remember that patents aren't for things that are hard but for things that aren't obvious.