A survey is presented of some of the approaches which have been considered in freight demand estimation. The few existing continuous time computer simulations of aviation systems are reviewed, with a view toward the assessment of this approach as a tool for structuring air freight studies and for relating the different components of the air freight system. The variety of available data types and sources, without which the calibration, validation and the testing of both modal split and simulation models would be impossible are also reviewed.


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    Title :

    Air freight demand models: An overview


    Contributors:

    Publication date :

    1978-05-01


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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