Multiple nuclei model

The multiple nuclei model is an economical model created by Chauncy Harris and Edward Ullman in the 1945 article 'The Nature of Cities'. The multiple nuclei model is an economical model created by Chauncy Harris and Edward Ullman in the 1945 article 'The Nature of Cities'. The model describes the layout of a city, based on Chicago. It says that even though a city may have begun with a central business district, or CBD, other smaller CBDs develop on the outskirts of the city near the more valuable housing areas to allow shorter commutes from the outskirts of the city. This creates nodes or nuclei in other parts of the city besides the CBD thus the name multiple nuclei model. Their aim was to produce a more realistic, if more complicated, model. Their main goals in this were to: