The Interpretation and Calculation of Gravity Model Zone-to-Zone Adjustment Factors

F J Cesario
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F J Cesario: Regional Science Group, Cornell University, Ithaca, New York 14850, USA

Environment and Planning A, 1974, vol. 6, issue 3, 247-257

Abstract: Major unresolved questions surround the use of zone-to-zone adjustment factors in applications of the gravity model of trip distribution. Specifically, neither an unambiguous interpretation of these factors nor a systematic, efficient method for calculating them is available. The material in this paper represents an attempt at resolving these fundamental issues. A new interpretation of origin and destination effects on tripmaking is provided, after which two computational algorithms for estimating these effects from observed aggregate trip-distribution data are developed. Two examples illustrating the use of the recommended procedures are provided.

Date: 1974
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Persistent link: https://EconPapers.repec.org/RePEc:sae:envira:v:6:y:1974:i:3:p:247-257

DOI: 10.1068/a060247

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