Recent advances in spatial data analysis are making their way into a variety of applied research settings. Once purely the domain of specialists, increased availability of both spatial data and the software with which to handle them, spatial analysis techniques are diffusing into other areas of research. This article first details the rationale and need for spatial considerations in hedonic price models and focuses on the link between the context of the housing market and the statistical considerations necessary when dealing with spatial data. These issues are then explored via an application to the housing market of Cuyahoga County, Ohio. It was found, first, that explicit modeling of space is not always warranted. One of our two models shows no substantial signs of spatial misspecification. However, in the second model, where diagnostic tests call for the explicit modeling of space, some drastic differences were found between the space-neglected model and the more correctly specified spatial hedonic model. This highlights the need to include spatial diagnostics as part of the standard model-fitting procedure for hedonic house price applications. Copyright 2001 Gatton College of Business and Economics, University of Kentucky.
The role of public capital in the economy is an emerging research area with theoretical significance and societal and policy relevance. Several academic disciplines and public institutions are regular contributors to this research field. The range of findings of these studies extends from virtually no role to a very strong role for public capital in the economy. Reconciling the varied and sometimes contradictory results has not been a high priority among researchers. The lack of attention to spatial forces, an issue gaining attention only relatively recently, also has been troublesome. This article reviews public capital research along three primary dimensions: the dependent variable, scale of analysis, and attention to spatial processes. The authors emphasize scale and space as among the most important but least discussed differences among public capital studies and then focus on the nature of the economic processes at work and detectable at different scales of analysis.
The relationship between residential location, location value and accessibility has been of long interest to regional scientists. Studies investigating the relationship between house price and changes in accessibility, however, have been fewer in number, and predominantly have centered upon the house price impact of fixed rail investments. Neglected have been the impacts of smaller road investments made on a regular basis by municipalities and state departments of transportation. This research therefore reports on the spatial relationship between house price and investment in road-based transportation infrastructure by combining two spatial databases, both centered on Columbus, OH. The first contains information on all single-family detached houses sold in 1990. The second contains detailed spatial and temporal information on all accessibility-changing road investments in the same area, since 1978. Results indicate that while moderate, past, current and approved (but not begun) road investments have distinct and significant impacts on house price. Copyright Springer-Verlag 2004R31, H54,
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