Taxi driving in New York City or any place is a service business. In the case of taxi driving revenue is derived from one source for two reasons. The basic rate of fare. This is how substantially a visit bills according to the posted price. That is often controlled by a municipal business. In New york Town the rate of fare is controlled because of the Ny City Taxi Limousine Commission. The other supply of earnings comes from gratuities or tips. That is to some degree managed from the driver...