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September 2011 A space–time varying coefficient model: The equity of service accessibility
Nicoleta Serban
Ann. Appl. Stat. 5(3): 2024-2051 (September 2011). DOI: 10.1214/11-AOAS473


Research in examining the equity of service accessibility has emerged as economic and social equity advocates recognized that where people live influences their opportunities for economic development, access to quality health care and political participation. In this research paper service accessibility equity is concerned with where and when services have been and are accessed by different groups of people, identified by location or underlying socioeconomic variables. Using new statistical methods for modeling spatial-temporal data, this paper estimates demographic association patterns to financial service accessibility varying over a large geographic area (Georgia) and over a period of 13 years. The underlying model is a space–time varying coefficient model including both separable space and time varying coefficients and space–time interaction terms. The model is extended to a multilevel response where the varying coefficients account for both the within- and between-variability. We introduce an inference procedure for assessing the shape of the varying regression coefficients using confidence bands.


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Nicoleta Serban. "A space–time varying coefficient model: The equity of service accessibility." Ann. Appl. Stat. 5 (3) 2024 - 2051, September 2011.


Published: September 2011
First available in Project Euclid: 13 October 2011

zbMATH: 1228.62158
MathSciNet: MR2884930
Digital Object Identifier: 10.1214/11-AOAS473

Keywords: Equity , service accessibility , simultaneous confidence bands , Spatial-temporal modeling , varying coefficient model

Rights: Copyright © 2011 Institute of Mathematical Statistics

Vol.5 • No. 3 • September 2011
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