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The modelling of housing submarkets

Mike Fletcher (School of Computing, Staffordshire University, Stoke‐on‐Trent, UK)
Paul Gallimore (Department of Surveying, Nottingham Trent University, Nottingham, UK, and)
Jean Mangan (Business School, Staffordshire University, Stoke‐on‐Trent, UK)

Journal of Property Investment & Finance

ISSN: 1463-578X

Article publication date: 1 August 2000



This paper is concerned as to whether it is more appropriate to use aggregate or disaggregate models in forecasting house prices using hedonic modelling. It is accepted that the implicit pricing of some of the attributes is not stable between locations, property types and ages but it is argued that this can be effectively modelled with an aggregate method. The models are developed using a dataset of nearly 18,000 transactions in the UK Midlands region in 1994. The comparative performance of these models is then considered using two approaches. Chow tests of the error differences between actual price and the price predicted by the models suggest that the submarket models lead to statistically significant, though small, improvements. A second approach, using comparison of the root mean square errors, is conducted on the models’ forecasts for a 10 per cent sample of nearly 2,000 transactions excluded from the modelling process. This shows little practical difference in the forecasting ability between the two approaches. Great care needs to be taken over sample size if a disaggregate model is used.



Fletcher, M., Gallimore, P. and Mangan, J. (2000), "The modelling of housing submarkets", Journal of Property Investment & Finance, Vol. 18 No. 4, pp. 473-487.




Copyright © 2000, MCB UP Limited

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