Describes, in simple text and illustrations, the special characteristics of different types of markets throughout the world, from the Fulton Fish Market in New York to Durbar Square, Patan, where temples rise like pagodas behind the flute sellers.

The entry of additional food hubs in a county may cannibalize sales of incumbent enterprises. Food hubs require more potential buyers in a market than traditional merchant wholesalers. Counties with a high level of social capital and that have small local food businesses may be able to lower the population threshold necessary for a food hub to be viable.