AP HUMAN GEO. THEORIES

Population grows exponentially while

food output only grow arithmetically.

This would result in a food shortage

and famine due to overpopulation.

Food supply is impacted directly by

population growth. As population increases

humans will develop new technologies to

also increase production of food supply. (Opposite of Malthusian Theory)

Patterns & trends about migration and migrants.

1. Migration is typically short in distance.

2. Migration occurs in steps.

3. Urban areas attract both long-distance and rural

migrants.

4. Every migration generates a counter-migration.

5. Young, single, adult males are more likely to

migrant than females.

a. Women will migrate shorter distances.

6. Most migration is due to economic factors.

A model that explains the size and spacing of centers that specialize in different goods and services

In places where there is less land available, the price of land will be more expensive; helps shape spatial layout of cities and dictate where commercial, residential, and industrial sectors go

Low-density housing/industry usually located away from the CBD (more land available at a lower cost) 

High-density housing is located near the CBD (less land available at a higher cost)

Commercial businesses located in the CBD 

Assumed all countries wanted to and would modernize, albeit at different speeds

Saw economic development as linear progression to modernity through five stages of development

Different conditions/levels of investment required for a country to move from one stage to the next 

Argued that international trade led to creation of capitalist world economy in which a system based on wealth and power extends beyond individual states

Resources flow from the periphery to the core, enriching the core at the expense of the periphery.