13.3 Social Area Analysis
The three models explain where people live in U.S. cities
Urban areas in the United States are divided into census tracts that contain approximately 5,000 residents and correspond, where possible, to neighborhood boundaries.
Combining the three models
If the models are combined rather than considered independently, they help geographers explain where different types of people live in a city, such as Dallas, Texas.
Limitations of the models
Critics point out that the models are too simple and fail to consider the variety of reasons that lead people to select particular residential locations.
Social Classes in the United States
Global Wealth Inequality - What you never knew you never knew