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Using Genetic Algorithms for Real Estate Appraisals
Open AccessArticle

A Mass Appraisal Model Based on Market Segment Parameters

Department of Civil, Environmental, Aerospace, Materials, Engineering, University of Palermo, Viale delle Scienze al Parco d’ Orleans, 90128, Palermo, Italy
Department of Environmental and Chemical Engineering, University of Calabria, Via Pietro Bucci, 87036 Arcavacata, Rende, Italy
Authors to whom correspondence should be addressed.
Buildings 2017, 7(2), 34;
Received: 2 January 2017 / Revised: 12 April 2017 / Accepted: 17 April 2017 / Published: 20 April 2017
(This article belongs to the Special Issue Real Estate Economics, Management and Investments)
The proposed evaluation scheme is a uni-equation model to evaluate properties of Mass Appraisal (MA) in terms of widespread availability of sample data. It all allows the use of statistical models and in the opposite conditions of the absence of data of comparable properties, the functions of similar market areas are known as well as the ones near to those for which you want to estimate the function. Of course, the accuracy of the evaluation increases with the amount of available data, with other equal conditions and evaluations carried out without data (but in the presence of other market information). It requires extra-statistical appraisal procedures involving a complete knowledge of the real estate market. However, such knowledge is also required in the MA performed by quantitative models with regard to the data sampling and performance monitoring process. The model considers micro-level characteristics of the properties and macro-level parameters of the real estate market segments. The appraisal model defines the prediction function with both the statistical models and estimation procedures. For this purpose, the model considers four specific situations: the construction of a statistical model operating with a sufficiently large sample of market prices; the construction of a prediction function operating with a very few number of market prices samples; in this situation, the appraisal function of market value is defined by using a sample of market prices referred to comparable properties, and these are few for statistical use but perfectly suitable to the appraisal process; the construction of a prediction function operating with only one market price; the construction of a prediction function operating in the absence of real estate data but with similar functions of market areas with other estimated proprieties. The presented model provides a uniform method of estimating the market value of properties (and fees), through the modular functions. The model studied is able to operate also with reduced information, considering the practical circumstances, the boundary conditions, the application precautions and the significance of the results. View Full-Text
Keywords: mass appraisal; real estate; market segment; automatic valuation method mass appraisal; real estate; market segment; automatic valuation method
MDPI and ACS Style

Ciuna, M.; Milazzo, L.; Salvo, F. A Mass Appraisal Model Based on Market Segment Parameters. Buildings 2017, 7, 34.

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