Theories/Models Flashcards
(15 cards)
Most migrants move short distances
Long-distance migrants often move to urban areas
Migration occurs in steps
Most migration is rural to urban
Most international migrants are young adults
Ravenstein’s Laws of Migration
Population growth leads to agricultural innovation and intensification rather than food shortages.
Boserup Hypothesis
City grows in rings:
CBD
Transition zone
Working-class homes
Better residences
Commuter zone
Concentric Zone Model (Burgess)
City grows in sectors/wedges along transportation routes.
Sector Model (Hoyt)
Cities develop around multiple centers (nuclei), not just one CBD.
Multiple Nuclei Model (Harris & Ullman)
Describes post-WWII suburban cities as independent realms with their own CBDs.
Urban Realms Model
Features a spine of high-end development, a market, and concentric zones of decreasing wealth.
Latin American City Model (Griffin-Ford)
Focuses on port-based cities with no real CBD; mixed land use.
Southeast Asian City Model (McGee)
Often includes three CBDs: traditional, colonial, and market zones.
African City Model
Traditional Society
Preconditions for Takeoff
Takeoff
Drive to Maturity
Age of Mass Consumption
Rostow’s Stages of Economic Growth
LDCs are dependent on MDCs for trade and investment; this dependency keeps them underdeveloped.
Dependency Theory
Explains industrial location based on minimizing transportation, labor, and agglomeration costs.
Weber’s Least Cost Theory
Businesses will move closer together to maximize market share (e.g., ice cream vendors on a beach).
Hotelling’s Model of Spatial Competition
Industries locate where they can maximize profit, not just minimize cost.
Losch’s Zone of Profitability