Concentric zone model

Key (from outside to inside)
  Commuter zone (outer ring)
  Residential zone
  Working class zone
  Zone of transition
  Factory zone
  Central business district (center)

The concentric zone model, also known as the Burgess model or the CCD model, is one of the earliest theoretical models to explain urban social structures. It was created by sociologist Ernest Burgess in 1925.[1][2]

  1. ^ "The Burgess Urban Land Use Model". people.hofstra.edu. Archived from the original on 2011-06-29. Retrieved 2016-09-26.
  2. ^ Park, Robert E.; Burgess, Ernest W. (1925). "The Growth of the City: An Introduction to a Research Project". The City (PDF). University of Chicago Press. pp. 47–62. ISBN 9780226148199.