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Market effects on forecasting construction prices using vector error correction models
Version 2 2024-06-06, 01:20Version 2 2024-06-06, 01:20
Version 1 2014-11-24, 17:22Version 1 2014-11-24, 17:22
journal contribution
posted on 2024-06-06, 01:20 authored by H Jiang, Y Xu, Chunlu LiuChunlu LiuConstruction price forecasting is an essential component to facilitate decision-making for construction contractors, investors and related financial institutions. Construction economists are increasingly interested in seeking a more analytical method to forecast construction prices. Although many studies have focused on construction price modelling and forecasting, few have considered the impacts of large-scale economic events and seasonality. In this study, an advanced multivariate modelling technique, namely the vector correction (VEC) model with dummy variables, was employed. The impacts of global economic events and seasonality are factored into the model to forecast the construction price in the Australian construction market. Research findings suggest that both long-run and dynamic short-term causal relationships exist among the price and levels of supply and demand in the construction market. These relationships drive the construction price and supply and demand, which interact with one another as a loop system. The reliability of forecasting models was examined by the mean absolute percentage error (MAPE) and the Theil's inequality coefficient U tests. The test results suggest that the conventional VEC model and the VEC model with dummy variable are both acceptable for forecasting the construction price, while the VEC model considering external impacts achieves higher prediction accuracy than the conventional VEC model. © 2014 © 2014 Taylor & Francis.
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Journal
International journal of construction managementVolume
14Pagination
101-112Location
Abingdon, EnglandPublisher DOI
ISSN
1562-3599eISSN
2331-2327Language
engPublication classification
C Journal article, C1 Refereed article in a scholarly journalCopyright notice
2014, Taylor & FrancisIssue
2Publisher
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