INTERPRETING SPATIAL ECONOMETRIC ORIGIN-DESTINATION FLOW MODELS
type="main"> <title type="main">ABSTRACT</title> <p>Spatial interaction or gravity models have been used to model flows that take many forms, for example population migration, commodity flows, traffic flows, all of which reflect movements between origin and destination regions. We focus on how to interpret estimates from spatial autoregressive extensions to the conventional regression-based gravity models that relax the assumption of independence between flows. These models proposed by LeSage and Pace (<link href="#jors12114-bib-0011"/>, <link href="#jors12114-bib-0012"/>) define spatial dependence involving flows between regions. We show how to calculate partial derivative expressions for these models that can be used to quantify these various types of effect that arise from changes in the characteristics/explanatory variables of the model.
Year of publication: |
2015
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Authors: | LeSage, James P. ; Thomas-Agnan, Christine |
Published in: |
Journal of Regional Science. - Wiley Blackwell, ISSN 0022-4146. - Vol. 55.2015, 2, p. 188-208
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Publisher: |
Wiley Blackwell |
Saved in:
Saved in favorites
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