Economic Geography Part II Interaction Transportation The City, Services and Central Place Theory
Spatial Interaction Nodes: point locations But a set of points may comprise a service area Origins of all people flying out of Lethbridge County Airport Destinations Viewing or listening area for broadcasting Routes or route segments joining nodes Flows or volume being moved
Why do things move? The Bases for Spatial Interaction Complementarity Complementary resource endowments Form utility Place utility Transferability Ease of transferance and ability to overcome distance Distance decay and umland
Why do things move? The Bases for Spatial Interaction Intervening Opportunity Complementary resource endowments
Bases for Communication Information genesis Broadcasting irrespective of information demand “too much information”! Hierarchy of control City size and corporate/government dominance Distance independence Especially between largest nodes