According to Von Thünen's arrangement around the market, the city is the center of the production process, but it is the one that contributes with lesser responsibilities in relation to the analysis of economic problems, as it is located in a smaller area and with less economic impact. The areas of milk production are larger than the areas of the city and, successively, the areas of pastures, forests and grain fields are larger than the other ones, and the larger, the more responsiveness within the presentation market, as well as a greater econometrics in the economic process of a region.
