This essay assesses the evolution of the way in which spatial data analytical methods have been incorporated into software tools over the past two decades. It is part retrospective and prospective, going beyond a historical review to outline some ideas about important factors that drove the...

This article outlines a taxonomy of spatial econometric model specifications that incorporate spatial externalities in various ways. The point of departure is a reduced form in which local or global spillovers are expressed as spatial multipliers. From this, a range of familiar and less familiar...

This article examines the publication patterns in five core regional science journals during the 1990s. Attention is paid to the thematic distribution of articles for each journal and across journals. The journals are also compared with respect to citation counts, areas of concentration, and...

This article outlines the motivation for a spatial approach as a novel focus for cross-disciplinary interaction and research in the social and behavioral sciences. The authors review the emerging interest in space and place in the recent social science literature and develop a vision for a...

This paper examines the properties of Moran's I test for spatial error autocorrelation when endogenous variables are included in the regression specification and estimation is carried out by means of instrumental variables procedures (such as two-stage least squares). The asymptotic distribution...

Formal approaches to assess the validity of spatial theoretical constructs are reviewed and evaluated with respect to their application and potential in spatial econometrics. A distinction is made between specification tests and model selection procedures. For the first, particular emphasis is...

Andy Isserman left a lasting impact on the fields of Regional Science and Planning. This special issue is dedicated to his memory. In addition to summarizing its contents, in this article I also reflect on Andy’s particular view of Regional Science as a field, expressed in many of his...