Real estate appraisal and subjectivity

Vaz, António Jorge Ferreira

http://hdl.handle.net/10198/11768

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Authors

Vaz, António Jorge Ferreira

Abstract(s)

The discretionally and the appraisers’ subjectivity that characterize traditional real estate valuation are still allowed to take part in the formation of the asset price even when respecting international standards (EVS, IVS) or Appraisal Institution´s regulations (TEGOVA, RICS, etc.). The application of econometric and statistical methods to real estate valuation (especially on mass appraisals that comprehend a huge amount of data) aims at the elimination of subjectivity on the appraisal process. But the unanswered questions underneath this subject are the following: In what consists the subjective component on real estate appraisal value formation? How much is the value presented by the appraiser influenced by the economic environment or by the building or neighborhood social status? What are the inherent and exterior factors that concur to the enhancement of the subjective component on real estate price formation? In this study an overview across appraisal’s bibliography is made in order to determine which real estate inherent and exterior factors are more important on price formation.