GEOG 217 Lecture Notes - Lecture 3: Central Place Theory, Walter Christaller, Primate City
7 Feb 2017
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Low order good: inexpensive, purchase frequently, available nearby (e. g. cookies) High order good: expensive, purchase infrequently, available far away (e. g. university education) Range: the distance you are willing to travel. High order good with larger range, low order good with smaller range (e. g. cookie: small range, university education: large range). Threshold: the area defined by the minimum number of consumers that need to support this business. Higher order goods require larger threshold / market areas. Thus hexagons will replace circles: settlement distribution. Walter christaller: german geographer, discovered the distribution of cities in. His observation: smaller towns closer to each other, larger towns farther from each other. The general spatial pattern of city size produces pattern (hexagons). There also exist patterns based on marketing principles, transportation, political administration, etc. A better example of this theory is szechuan, china which based on transportation.
