oa East African Geographical Review - Patterns of spatial linkage in Teso District
In studying the spatial organization of retail outlets it is of particular importance to estimate the relationships between any given enterprise and its suppliers. The pattern of dependence thus found also assists in demarcating the extent of the trade area of suppliers. According to central place theory, a distinct hierarchical pattern of dominance should be found whereby the lowest centres are dependent upon the suppliers in the next highest level for goods. At the same time Marshall1 has pointed out that a prerequisite for adequate analysis of a set of centres is the provision that this set comprises the total system of centres with regard to a pre-determined highest order place. This then requires that the spatial linkages should be determined, and closure of the system of places achieved.
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