> In New York the medallion system was introduced when the supply of taxis exceeded demand. Medallions were a way to control supply ... Regulating supply is ab

> In New York the medallion system was introduced when the supply of taxis exceeded demand. Medallions were a way to control supply ... Regulating supply is about more than fares. Traffic is an externality for the taxi/rideshare company, a 'tragedy of the commons'. I've been in cities where traffic has become much worse due to the large, unregulated influx of rideshare drivers; the cities should auction off slots - which is what medallions are (AFAIK).