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Open Access
Article
Publication date: 27 March 2020

Agostino Valier

In the literature there are numerous tests that compare the accuracy of automated valuation models (AVMs). These models first train themselves with price data and property…

3074

Abstract

Purpose

In the literature there are numerous tests that compare the accuracy of automated valuation models (AVMs). These models first train themselves with price data and property characteristics, then they are tested by measuring their ability to predict prices. Most of them compare the effectiveness of traditional econometric models against the use of machine learning algorithms. Although the latter seem to offer better performance, there is not yet a complete survey of the literature to confirm the hypothesis.

Design/methodology/approach

All tests comparing regression analysis and AVMs machine learning on the same data set have been identified. The scores obtained in terms of accuracy were then compared with each other.

Findings

Machine learning models are more accurate than traditional regression analysis in their ability to predict value. Nevertheless, many authors point out as their limit their black box nature and their poor inferential abilities.

Practical implications

AVMs machine learning offers a huge advantage for all real estate operators who know and can use them. Their use in public policy or litigation can be critical.

Originality/value

According to the author, this is the first systematic review that collects all the articles produced on the subject done comparing the results obtained.

Details

Journal of Property Investment & Finance, vol. 38 no. 3
Type: Research Article
ISSN: 1463-578X

Keywords

Content available
436

Abstract

Details

Journal of Property Investment & Finance, vol. 27 no. 3
Type: Research Article
ISSN: 1463-578X

Open Access
Article
Publication date: 9 April 2021

Rosane Hungria-Gunnelin, Fredrik Kopsch and Carl Johan Enegren

The role of list price is often discussed in a narrative describing sellers’ preferences or sellers’ price expectations. This paper aims to investigate a set of list price…

1008

Abstract

Purpose

The role of list price is often discussed in a narrative describing sellers’ preferences or sellers’ price expectations. This paper aims to investigate a set of list price strategies that real estate brokers have available to influence the outcome of the sale, which may be many times self-serving.

Design/methodology/approach

By analyzing real estate brokers’ arguments on the choice of the list price level, a couple of hypotheses are formulated with regard to different expected outcomes that depend on the list price. This study empirically tests two hypotheses for the underlying incentives in the choice of list price from the real estate broker’s perspective: lower list price compared to market value leads to the higher sales price, lower list price compared to market value leads to a quicker sale. To investigate the two hypotheses, this paper adopts different methodological frameworks: H1 is tested by running a classical hedonic model, while H2 is tested through a duration model. This study further tests the hypotheses by splitting the full sample into two different price segments: above and below the median list price.

Findings

The results show that H1 is rejected for the full sample and for the two sub-samples. That is, contrary to the common narrative among brokers that underpricing leads to a higher sales price, underpricing lower sales price. H2, however, receives support for the full sample and for the two sub-samples. The latter result points to that brokers may be tempted to recommend a list price significantly below the expected selling price to minimize their effort while showing a high turnover of apartments.

Originality/value

Although there are a large number of previous studies analyzing list price strategies in the housing market, this paper is one of the few empirical studies that address the effect of list price choice level on auction outcomes of non-distressed housing sales.

Details

International Journal of Housing Markets and Analysis, vol. 14 no. 3
Type: Research Article
ISSN: 1753-8270

Keywords

Open Access
Article
Publication date: 8 March 2021

Robin Marc Orr, Elisa Canetti, Jason Movshovich, Robert Lockie, Jay Dawes and Ben Schram

The aims of this study were to evaluate fitness levels in a cohort of police trainees and compare these results to other police trainees and the general population.

1119

Abstract

Purpose

The aims of this study were to evaluate fitness levels in a cohort of police trainees and compare these results to other police trainees and the general population.

Design/methodology/approach

Retrospective data for 274 male and 152 female police trainees were supplied. Measures included height, body mass and physical appraisal test (PAT; 2.4 km run, vertical jump, push-ups and grip strength) results, assessed twice, prior to commencement of training, separated by several months. Wilcoxon signed rank tests were used to analyze non-parametric initial and final PAT scores and Mann–Whiney U tests were used to determine variance between groups.

Findings

Male trainees were significantly quicker in the run (−12%, p < 0.001), completed more push-ups (+74%, p < 0.001) with greater grip strength (+52% left and +50% right, p < 0.001) when compared to female trainees. Following the second PAT assessment, the significant differences between male and female trainees remained (p < 0.001). Only female trainee 2.4 km run times improved significantly between initial and final PAT (−4%, p = 0.002).

Originality/value

When compared to the general population from which they were drawn and to other law enforcement trainees, the police trainees in this study were quicker, more powerful and stronger. While there was no loss of fitness between initial and final PAT performance, a conditioning program, spanning the periods between initial and final PAT may be of benefit to increase fitness prior to training commencement especially for female trainees who were generally less fit than, yet must complete the same training as, male trainees.

Details

International Journal of Emergency Services, vol. 10 no. 2
Type: Research Article
ISSN: 2047-0894

Keywords

Content available
Article
Publication date: 9 August 2011

Richard G. Reed

257

Abstract

Details

International Journal of Housing Markets and Analysis, vol. 4 no. 3
Type: Research Article
ISSN: 1753-8270

Content available
Article
Publication date: 6 January 2023

Temidayo Oluwasola Osunsanmi, Timothy O. Olawumi, Andrew Smith, Suha Jaradat, Clinton Aigbavboa, John Aliu, Ayodeji Oke, Oluwaseyi Ajayi and Opeyemi Oyeyipo

The study aims to develop a model that supports the application of data science techniques for real estate professionals in the fourth industrial revolution (4IR) era. The present…

384

Abstract

Purpose

The study aims to develop a model that supports the application of data science techniques for real estate professionals in the fourth industrial revolution (4IR) era. The present 4IR era gave birth to big data sets and is beyond real estate professionals' analysis techniques. This has led to a situation where most real estate professionals rely on their intuition while neglecting a rigorous analysis for real estate investment appraisals. The heavy reliance on their intuition has been responsible for the under-performance of real estate investment, especially in Africa.

Design/methodology/approach

This study utilised a survey questionnaire to randomly source data from real estate professionals. The questionnaire was analysed using a combination of Statistical package for social science (SPSS) V24 and Analysis of a Moment Structures (AMOS) graphics V27 software. Exploratory factor analysis was employed to break down the variables (drivers) into meaningful dimensions helpful in developing the conceptual framework. The framework was validated using covariance-based structural equation modelling. The model was validated using fit indices like discriminant validity, standardised root mean square (SRMR), comparative fit index (CFI), Normed Fit Index (NFI), etc.

Findings

The model revealed that an inclusive educational system, decentralised real estate market and data management system are the major drivers for applying data science techniques to real estate professionals. Also, real estate professionals' application of the drivers will guarantee an effective data analysis of real estate investments.

Originality/value

Numerous studies have clamoured for adopting data science techniques for real estate professionals. There is a lack of studies on the drivers that will guarantee the successful adoption of data science techniques. A modern form of data analysis for real estate professionals was also proposed in the study.

Details

Property Management, vol. 42 no. 2
Type: Research Article
ISSN: 0263-7472

Keywords

Content available
Article
Publication date: 1 October 2001

David Mackmin

347

Abstract

Details

Property Management, vol. 19 no. 4
Type: Research Article
ISSN: 0263-7472

Keywords

Content available
Article
Publication date: 21 May 2018

Richard Reed

227

Abstract

Details

International Journal of Housing Markets and Analysis, vol. 11 no. 2
Type: Research Article
ISSN: 1753-8270

Content available
Article
Publication date: 6 February 2009

Frances Plimmer

451

Abstract

Details

Property Management, vol. 27 no. 1
Type: Research Article
ISSN: 0263-7472

Content available
Article
Publication date: 23 July 2020

Paloma Taltavull

250

Abstract

Details

Journal of European Real Estate Research , vol. 13 no. 2
Type: Research Article
ISSN: 1753-9269

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