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Structural and Circulation Mobility in the Linear Programming Framework: The Critics in Hot Water—A Rejoinder to the Invited Comment “Saving the Bath Water”

Sobel, Hout, and Duncan criticize the linear programming approach to the analysis of mobility tables on the basis of its four alleged deficiencies. The objections of our critics are that (a) we misconceive the object of mobility research by focusing on observed frequencies; (b) our solution neglects...

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Bibliographic Details
Published in:Sociological methods & research 1986-02, Vol.14 (3), p.285-300
Main Authors: KRAUZE, TADEUSZ K., SLOMCZYNSKI, KAZIMIERZ M.
Format: Article
Language:English
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Summary:Sobel, Hout, and Duncan criticize the linear programming approach to the analysis of mobility tables on the basis of its four alleged deficiencies. The objections of our critics are that (a) we misconceive the object of mobility research by focusing on observed frequencies; (b) our solution neglects the relationship between a sample and a population; (c) within our approach the intercountry differences cannot be assessed; and (d) we arbitrarily define structural mobility. Upon careful consideration these objections are shown to be invalid. First, we argue that the observed frequencies are fundamental and demonstrate that our approach is oriented toward theoretical problems. Second, we provide a method for computing confidence intervals of structural and circulation mobility. Third, we determine the statistical significance of the intercountry difference in the proportion of circulation mobility. Fourth, we explicitly derive our operationalization of structural mobility from one of the traditional notions. We either show that the objections are incompatible with the canons of empirical science or reject them by demonstrating that our critics' assertions are false.
ISSN:0049-1241
1552-8294
DOI:10.1177/0049124186014003004