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GWR Approach for Real Estate Appraisal: The Case of Seoul Apartment

  • Korea Real Estate Review
  • 2010, 20(2), pp.107-132
  • Publisher : korea real estate research institute
  • Research Area : Social Science > Law > Law of Special Parts > Law of Real Estate

강창덕 1

1서울시립대학교

Accredited

ABSTRACT

This study aims to suggest how to apply Geographically Weighted Regression to real estate appraisal through empirical research for Seoul apartment market. Five key conclusions can be drawn based on the GWR modeling. First, this study confirms that housing market in Seoul might contain diverse types of submarkets in terms of housing attributes, transportation and location, amenity, education attributes, and socioeconomic characteristics. These findings would be considered in housing appraisal. Second, the GWR model found the spatial variation of each characteristics of Seoul apartment. The result would complement the caveat of hedonic price models. Third, real estate appraisers would consider the weight on each attributes of housing from spatially-varied relation between housing price and characteristics. Fourth, the local R-Square value from GWR models reveals whether aspatial or non quantitative variables determine housing price. Finally, the GWR modeling using apartment market price and statistical inference technique would apply to local housing price index.

Citation status

* References for papers published after 2023 are currently being built.

This paper was written with support from the National Research Foundation of Korea.