anchor: But in the presence of competition among dealers, there is no difference between setting a standard of service and setting a retail  For a given service standard, competition will lower the price until it's commensurate with the service standard, and for a given price, competition will raise the service standard until it's commensurate with the price.
positive: Competition will lower the price and raise the service standard.
negative: There is no chance of competition playing any role in price setting.