A market center for the exchange of goods and services by people attracted from the surrounding area.
Central Place Theory
A geographic concept that explains how services are distributed and why a regular pattern of settlements exists.
Also called "market area", this is the area surrounding a service from which customers are attracted to.
The maximum distance people are willing to travel to use a service.
The minimum number of people needed to support the service.
Predicts that the optimal location of a service is directly related to the number of people in the area and inversely related to the distance people must travel to access it.
The country's n-th largest settlement is 1/n the population of the largest settlement.
Modern World Cities
London, New York, and Tokyo.
Most closely integrated into the global economic system because they are at the center of the flow of information and capital.
Central Business District (CBD)
Services of all types clustered in the center of the city, commonly called downtown.
Concentric zone model
model created by EW Burgess in 1923, which explains that a city grows outward from a central area in a series of concentric rings, like the growth rings on a tree.
density change in an urban area.
city around a beltway that is a node of consumer and business services
process of subdivision of houses and occupancy by successive waves of lower-income people.
process by which middle-class people move into deteriorated inner-city neighborhoods and renovate the housing.
Multiple nuclei model
model created by CD Harris and EL Ullman in 1945, which explains that a city is a complex structure that includes more than one center around which activities revolve.
model created by Chauncey Harris, which describes how an urban area consists of an inner city surrounded by large suburban residential and business areas tied together by a beltway or ring road.
housing provided to low-income households, who pay 30% of their income as rent for the housing.
drawing of lines on a map to identify areas in which banks will refuse to loan money.
housing maintained as result of the alternative to demolishing houses.
theory developed by land economist Homer Hoyt in 1939, which explains that a city develops in a series of sectors rather than rings.
settlement where a large percentage of poor immigrants to urban areas in LDCs live because of a housing shortage.
what inner-city residents are frequently referred to because they are trapped in an unending cycle of economic and social problems.
something under which cities identify blighted inner-city neighborhoods, acquire the properties from private owners, relocate the residents and businesses, clear the site, and build new roads and utilities.
rules developed in Europe and North America in the 20th century that encouraged spatial separation. They also prevented mixing of land uses within the same district.
The largest settlement in a country, if it has more than twice as many people as the second-ranking settlement.
The geographical area that contains the space an individual interacts with on a daily basis.
European-style city with high density of development, narrow buildings, and an ornate church at the city center, with high walls for defense.
The process of population movement from within towns and cities to the rural-urban fringe.
legislation and regulations to limit suburban sprawl and preserve farmland
The process of urban areas expanding outwards, usually in the form of suburbs, and developing over fertile agricultural land.
A residential district located on the outskirts of a city
Cities with over 10 million people Examples: Rio de Janerios, Mexico City, Bueno Aires.