research notes and comments: Estimating nodal attractions with exogenous spatial interaction and impedance data using the gravity model

Guoqiang Shen ()
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Guoqiang Shen: Department of Planning, School of Industry and Technology, East Carolina University Greenville, NC 27858, USA

Papers in Regional Science, 1999, vol. 78, issue 2, 213-220

Abstract: Unlike the conventional calibration of a gravity model in which nodal attractions are treated exogenously, this study treats the attraction of a node as an endogenous composite indicator of many contributing factors associated with the node and estimates the nodal attraction based upon exogenous spatial interaction (flow) and impedance data. An algebraic method is developed for the general $N\times N$ O-D matrix and applied to a hypothetical $5\times 5$ O-D flow case. A theoretical discussion of utilizing regression to estimate the contributing factors of nodal attractions is also presented.

Keywords: Gravity model; spatial analysis; nodal attraction; algebraic method (search for similar items in EconPapers)
JEL-codes: C63 R10 R40 (search for similar items in EconPapers)
Date: 1999-06-17
Note: Received: 17 November 1995
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Citations: View citations in EconPapers (2)

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