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Paper eres2007_391:
Valuation Uncertainty: Common Professional Standards and Methods

id eres2007_391
authors French, Nick
year 2007
title Valuation Uncertainty: Common Professional Standards and Methods
source 14th Annual European Real Estate Society Conference in London, UK
summary Valuation is the process of estimating price in the market place. Yet, such an estimation will be affected by uncertainties. These input uncertainties will translate into an uncertainty with the output figure, the valuation. The degree of the uncertainties will vary according to the level of market activity; the more active a market, the more credence will be given to the input information. In the UK at the moment the Royal Institution of Chartered Surveyors (RICS) has considered ways in which the uncertainty of the output figure, the valuation, can be conveyed to the use of the valuation. The current requirement is for the valuer to “indicate” to the user of the valuation any “material effect” of uncertainty on the valuation figure provided. However, an indicative survey of valuers around the UK shows that only a fraction of the profession is following these guidelines as they feel that is lack of clarity. One of the major problems is that Valuation models (in the UK) are based upon comparable information and rely upon single inputs. They are not probability based; yet uncertainty is probability driven. In this paper, I discuss the issues underlying uncertainty in valuations and suggest a probability-based model (using Crystal Ball) to address the shortcomings of the current model and to develop common professional standards and methods for measuring and expressing valuation uncertainty.
series ERES:conference
discussion No discussions. Post discussion ...
ratings
session Session J1: Valuation Uncertainty
last changed 2009/11/19 09:01
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