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An extremal and information-theoretic characterization of some interzonal transfer models |
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| Authors: | A. Charnes W. M. Raike C. O. Bettinger |
| Affiliation: | Center for Cybernetic Studies, University of Texas at Austin, Austin, Texas 78712, USA U.S. Naval Postgraduate School, Monterey, California, USA Bureau of Business Research, Northeast Louisiana State College, Monroe, Louisiana, USA |
| Abstract: | The paper develops a method of deriving gravity models from extremal principles. The prototype result yields the most popular gravity flow model characterized by an extremal principle. This principle is also for the first time elucidated as an information-theoretic one of choosing the distribution of interzonal transfers which gives least “information” (in the technical sense) for discrimination against a distribution reflecting the “facility” (reciprocal of the “difficulty”) of travel between zones. |
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