The Jobs-Housing Balance and Urban Commuting

Zhong-Ren Peng
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Zhong-Ren Peng: Department of Urban Planning, School of Architecture and Urban Planning, University of Wisconsin, Milwaukee, WI 53201, USA, zpeng@csd.uwm.edu

Urban Studies, 1997, vol. 34, issue 8, 1215-1235

Abstract: This paper applies geographical information system (GIS) techniques and a piece-wise, non-linear model-spline functions—to analyse empirically the relationship between the jobs-housing ratio and urban commuting patterns in terms of vehicle miles travelled (VMT) and trip length. A dynamic buffering process in GIS is developed to measure the jobs-housing ratio within floating catchment areas of a 5-7 mile (8.05-11.27 km) radius as opposed to pre-defined and arbitrary jurisdictional boundaries. This study found a non-linear relationship between the jobs-housing ratio and VMT and trip length in the Portland, Oregon, metropolitan area. Only when the jobs-housing ratio is less than 1.2 or larger than 2.8 do VMT vary noticeably as the jobs-housing ratio changes. Marginal changes in VMT are small when the jobs-housing ratio is between 1.2 and 2.8. Since most areas in the study region have a job-household ratio between 1.2 and 2.8, any changes in the jobs-housing ratio will have little impact on VMT. Consequently, hardly any land use policy changes could affect the jobs-housing ratio enough to produce a significant change in VMT per capita, and jobs-housing policy will have limited impact on VMT at the regional level.

Date: 1997
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Persistent link: https://EconPapers.repec.org/RePEc:sae:urbstu:v:34:y:1997:i:8:p:1215-1235

DOI: 10.1080/0042098975600

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