Forecasting house price growth rates with factor models and spatio-temporal clustering

Raffaele Mattera and Philip Hans Franses

International Journal of Forecasting, 2025, vol. 41, issue 1, 398-417

Abstract: This paper proposes to use factor models with cluster structure to forecast growth rates of house prices in the US. We assume the presence of global and cluster-specific factors and that the clustering structure is unknown. We adopt a computational procedure that automatically estimates the number of global factors, the clustering structure and the number of clustered factors. The procedure enhances spatial clustering so that the nature of clustered factors reflects the similarity of the time series in the time domain and their spatial proximity. Considering house prices in 1975–2023, we highlight the existence of four main clusters in the US. Moreover, we show that forecasting approaches incorporating global and cluster-specific factors provide more accurate forecasts than models using only global factors and models without factors.

Keywords: Panel VAR; Cluster analysis; Principal components; Spatio-temporal modelling; House prices growth rates (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:intfor:v:41:y:2025:i:1:p:398-417

DOI: 10.1016/j.ijforecast.2024.09.003

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