Abstract Relationship amongst three functions, which may be defined in terms of the parameter α of the single parameter gravity model, are discussed. The functions are the entropy H (which is interpreted as a measure of the interactivity in the transportation system), the accessibility F (a generalization of Hansen's accessibility index), and C (the mean trip cost). It is shown that the derivative of H with respect to C exists and is equal to α, and the existence is established of a one-to-one correspondence between F and H.


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    Titel :

    Interactivity, accessibility and cost in trip distribution


    Beteiligte:
    Erlander, S. (Autor:in) / Stewart, N.F. (Autor:in)

    Erscheinungsdatum :

    1978-01-20


    Format / Umfang :

    3 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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