Research highlights ► A tradable credit scheme is proposed for mobility management in general networks with either fixed or elastic demand. ► The traffic equilibrium and the credit trading market equilibrium are formulated together as a simple convex nonlinear program with linear constraints. ► The properties of the equilibrium particularly regarding the uniqueness of credit price are made clear. ► It is shown the tradable credit scheme plays essentially the same role as conventional road pricing in attaining and sustaining various desirable network traffic flow patterns. ► The various advantages of the tradable credit scheme are illuminated in a convincing manner.

    Abstract A system of tradable travel credits is explored in a general network with homogeneous travelers. A social planner is assumed to initially distribute a certain number of travel credits to all eligible travelers, and then there are link-specific charges to travelers using that link. Free trading of credits among travelers is assumed. For a given credit distribution and credit charging scheme, the existence of a unique equilibrium link flow pattern is demonstrated with either fixed or elastic demand. It can be obtained by solving a standard traffic equilibrium model subject to a total credit consumption constraint. The credit price at equilibrium in the trading market is also conditionally unique. The appropriate distribution of credits among travelers and correct selection of link-specific rates is shown to lead to the most desirable network flow patterns in a revenue-neutral manner. Social optimum, Pareto-improving and revenue-neutral, and side-constrained traffic flow patterns are investigated.


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    Titel :

    Managing network mobility with tradable credits


    Beteiligte:
    Yang, Hai (Autor:in) / Wang, Xiaolei (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2010-10-04


    Format / Umfang :

    15 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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