共查询到20条相似文献,搜索用时 15 毫秒
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Peter M. Schulze 《Journal of regional science》1987,27(1):129-133
ABSTRACT. Summarizing the foregoing discussions in this journal on testing for regional homogeneity the present note shows that in the model of Zellner's seemingly unrelated regressions one test statistic may be used not only to test for overall homogeneity but also to examine for individual coefficient homogeneity. This aim is achieved by varying the linear restrictions in the test statistic according to different problems. To illustrate these tests regional consumption functions for the 11 Bundesläder (States) of the Federal Republic of Germany are used. 相似文献
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ABSTRACT. In problems of spatial choice, the choice set is typically more aggregated than the one considered by decision-makers, often because choice data are available only at the aggregate level. These aggregate choice units will exhibit heterogeneity in utility and in size. To be consistent with utility maximization, a choice model must estimate choice probabilities on the basis of the maximum utility within heterogeneous aggregates. The ordinary multinomial logit model applied to aggregate choice units fails this criterion as it is estimated on the basis of average utility. In this paper, we derive and discuss a model which utilizes the theory underlying the nested logit model to estimate the appropriate maximum utilities of aggregates. We also demonstrate that the aggregate alternative error terms are asymptotically Gumbel, thereby relaxing the assumption of extreme value distributed error terms. This is accomplished with help from the asymptotic theory of extremes. 相似文献
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The dominant theme in court reorganization has been to state judiciaries by consolidating trial courts and centralizing their administration in a state level office. This article suggests that the debate over the relative merits of a centralized vs. a decentralized (or fragmented) court system ignores the rich variety of organizational structures used in other fields. The potential judicial implications of three models-franchise, corporate, and federal-are examined in detail. Their underlying assumptions are compared with those of the centralization approach. The argument is made that none of the models is appropriate for all circumstances. Each approach to court organization emphasizes a particular set of objectives at the expense of another set. An effort is made to identify what each approach has to offer. 相似文献
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Eric Heikkila 《Journal of regional science》1988,28(3):345-362
ABSTRACT. In a polycentric urban context, several urban nodes may exert an influence over land rents. Where this is the case, regression analysis to explain land rents should employ distance variables corresponding to each of the urban nodes. However, these distance measures may be highly intercorrelated, thereby posing a problem of “spatial multicollinearity.” This paper demonstrates that problems arising from spatial multicollinearity can be avoided or substantially lessened by carefully selecting the geographic domain from which observations are drawn. 相似文献
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