The document compares Christaller's central place theory (CPT) and Losch's theory of the economics of location. Some key differences include: CPT applies to fully developed landscapes while Losch's theory applies to developing areas. CPT is more applicable to developed countries while Losch's theory applies more to developing countries. CPT is based on supply and services while Losch's theory is based more on demand and production. CPT shows fixed hierarchies while Losch's theory has more randomness in hierarchies.