卸売市場の分荷圏推定モデルの情報論的研究 : 「市場依存度モデル」の構造と決定

Abstract

Generally, the construction of distribution zone of wholesale market is varied by the consolidation or unification of wholesale market. This study aims to suggest the direction of improvement of estimating model of market dependence which is the basic econometric method for estimating the variation of distribution zone of wholesale market. The contents of this study are two-folds; 1) Defining the characteristics of construction of the estimating model of market dependent under the comparision market dependent estimating model with the Huff model of estimating marketing zone for general marketing, 2) Examination of parameter estimating when model of market dependent is defined. As a result, in the field of distribution zone for the wholesale market, the estimating model of market dependence which seems very useful to estimate the distribution zone is found more useful than Huff model because of the better model structure in the sense that my model can explain actual distribution zone more accurately. It can estimate the best-parameter objectively, and the informational valuation of parameter is also constant through inducement of new probability model of market dependence. Finally, the direction of improvement of the model can be finded at the part of estimating parameter and construction of the model.