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A Note on the Optimal Selection and Weighting of Comparable Properties



This paper reexamines the recommendation by Vandell (1991), Gau, Lai and Wang (1992, 1994) and Green (1994) for the use of the minimum variance and coefficient of variation criteria in the optimum selection of comparables. These authors under-emphasize the typical valuation scenario that involves extremely small samples. The analyst must rank the few available comparable properties and select the "best" to carry the most weight in the final estimate of value. Rank transformation regression is suggested as one approach that can be used to extract the buying trend. The commonly taught paired-sale analysis will remain as the industry tool until more accurate estimates of value are developed with small samples.

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  • 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.
  • Handle: RePEc:jre:issued:v:14:n:2:1997:p:175-182

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    References listed on IDEAS

    1. Richard K. Green, 1994. "Optimal Comparable Weighting and Selection: A Comment," Real Estate Economics, American Real Estate and Urban Economics Association, vol. 22(4), pages 647-654.
    2. Kerry D. Vandell, 1991. "Optimal Comparable Selection and Weighting in Real Property Valuation," Real Estate Economics, American Real Estate and Urban Economics Association, vol. 19(2), pages 213-239.
    3. 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.
    4. Ben-Akiva, Moshe & Morikawa, Takayuki & Shiroishi, Fumiaki, 1992. "Analysis of the reliability of preference ranking data," Journal of Business Research, Elsevier, vol. 24(2), pages 149-164, March.
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    JEL classification:

    • L85 - Industrial Organization - - Industry Studies: Services - - - Real Estate Services


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