I often think that marketplace rating should work like this: Every 3 rides, you get asked "Which one of the last 3 rides did you like the best?". Then the driver you select gets 1 star. So an average driver would get 0.3 stars per ride. For display purposes, this can be normalized to whatever scale is most comfortable for users. This should completely get rid of the problems with the popular "rate every seller right…
> Every 3 rides, you get asked "Which one of the last 3 rides did you like the best?". Note that this is a variation of stack ranking, which has incentives for the usual sorts of manipulation like avoiding "difficult" times like rush hour.
Hotels in a small town might have better reviews than hotels in New York. But if you want to stay in NY, you compare between the hotels there. So the hotels in the small town do not have a benefit of their "manipulation" to offer rooms in a less crowded city.