Attempts to explain the limitations and constraints of government policy makers in the regulation of street vending. Looks at ways that street vendors in Mexico City create alternative forms of regulation that complement and challenge the state’s attempt to impose a “one size fits all’ form of regulation for the national economy. Cites two distinct forms of regulation and how these resppond to the different needs of vendors depending on their ability to negotiate their status with the state. Covers the organizations which the vendors have formed to assist them and question the “Mafia” status applied to these by the establishment.