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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.
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model urban land residential concentric burgess cities zone see also based theory first ring business city housing states social suburbs
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| advancement in transportation | instance of | because of changes | 0.80 | text |
| information technology | instance of | because of changes | 0.80 | text |
| transformation in global economy | instance of | because of changes | 0.80 | text |
| cities are no longer organized with clear | instance of | because of changes | 0.80 | text |
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