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Optimal Comparable Selection and Weighting in Real Property Valuation: An Extension

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  • George W. Gau
  • Tsong‐Yue Lai
  • Ko Wang

Abstract

Vandell (1991) recently developed a rigorous minimum variance technique for selecting and weighting comparables in real estate appraisal. This article extends Vandell's methodology in three areas: (1) an alternative objective function; (2) an approach that explicitly recognizes the non‐negativity constraint on comparable weights; and, (3) a more robust comparable inclusion process. Using Vandell's data, we show how our methodology modifies Vandell's results.

Suggested Citation

  • George W. Gau & Tsong‐Yue Lai & Ko Wang, 1992. "Optimal Comparable Selection and Weighting in Real Property Valuation: An Extension," Real Estate Economics, American Real Estate and Urban Economics Association, vol. 20(1), pages 107-123, March.
    • Handle: RePEc:bla:reesec:v:20:y:1992:i:1:p:107-123
    DOI: 10.1111/1540-6229.00574
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    Cited by:

    1. James A. Bryant & Donald R. Epley, 1998. "Cancerphobia: Electromagnetic Fields and Their Impact on Residential Loan Values," Journal of Real Estate Research, American Real Estate Society, vol. 15(1), pages 115-129.
    2. R. Kelley Pace, 1998. "Total Grid Estimation," Journal of Real Estate Research, American Real Estate Society, vol. 15(1), pages 101-114.
    3. George H. Lentz & Ko Wang, 1998. "Residential Appraisal and the Lending Process: A Survey of Issues," Journal of Real Estate Research, American Real Estate Society, vol. 15(1), pages 11-40.
    4. ÜNsal ÖZdilek, 2011. "Land Value: Seven Major Questions in the Analysis of Urban Land Values," American Journal of Economics and Sociology, Wiley Blackwell, vol. 70(1), pages 30-49, January.
    5. Vladimir Vargas-Calder'on & Jorge E. Camargo, 2020. "Towards robust and speculation-reduction real estate pricing models based on a data-driven strategy," Papers 2012.09115, arXiv.org.
    6. Donald R. Epley, 1997. "A Note on the Optimal Selection and Weighting of Comparable Properties," Journal of Real Estate Research, American Real Estate Society, vol. 14(2), pages 175-182.
    7. Rohana Abdul Rahman, 2011. "Variations in Implementing SCM to Minimize Subjectivity and a Future Direction for Malaysia," ERES eres2011_178, European Real Estate Society (ERES).

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