A license shouldn't be sold. I cannot sell my driving license. A license should be acquired through a standardized test and a reasonable amount of people should be able to pass the test each year. The current medallion system which works in a majority of western countries is just corruption.
People would take the taxi way more if it was cheaper, thus buying less cars and polluting less. This is especially true in Paris where a ride to the airport is 70€ ! unbelievable (Uber is 50€).
People would take the taxi way more if it was cheaper, thus buying less cars and polluting less. This is especially true in Paris where a ride to the airport is 70€ ! unbelievable (Uber is 50€).