Research bias in judgement bias studies: a systematic review of valuation judgement literature

Pim Klamer, Cok Bakker, Vincent Gruis

Research output: Contribution to journalArticleScientificpeer-review

9 Citations (Scopus)
16 Downloads (Pure)

Abstract

Valuation judgement bias has been a research topic for several years due to its proclaimed effect on valuation accuracy. However, little is known on the emphasis of literature on judgement bias, with regard to, for instance, research methodologies, research context and robustness of research evidence. A synthesis of available research will establish consistency in the current knowledge base on valuer judgement, identify future research opportunities and support decision-making policy by educational and regulatory stakeholders how to cope with judgement bias. This article therefore, provides a systematic review of empirical research on real estate valuer judgement over the last 30 years. Based on a number of inclusion and exclusion criteria, we have systematically analysed 32 relevant papers on valuation judgement bias. Although we find some consistency in evidence, we also find the underlying research to be biased; the methodology adopted is dominated by a quantitative approach; research context is skewed by timing and origination; and research evidence seems fragmented and needs replication. In order to obtain a deeper understanding of valuation judgement processes and thus extend the current knowledge base, we advocate more use of qualitative research methods and scholars to adopt an interpretative paradigm when studying judgement behaviour.
Original languageEnglish
Pages (from-to)285-304
Number of pages20
JournalJournal of Property Research
Volume34
Issue number4
DOIs
Publication statusPublished - 2017

Keywords

  • valuation
  • behavioural research
  • valuation judgement
  • client feedback
  • heuristics

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