 Smoothing and forecasting mixed-frequency time series with vector exponential smoothing modelsByeongchan Seong Economic Modelling, 2020, vol. 91, issue C, 463-468 Abstract: The analysis of mixed-frequency (MF) time series has been limited mainly to the vector autoregressive integrated moving average (ARIMA) framework, even though the exponential smoothing (ETS) method—a competing model to ARIMA—has made considerable progress in recent years. The ETS method provides a useful multivariate time series specification for estimating missing observations of low-frequency variable(s) and constructing forecasts of future values. Hence, this study proposes the vector ETS (VETS) method as a suitable alternative to ARIMA for smoothing and forecasting MF time series. To illustrate the superiority of the VETS method, we obtain high-frequency smoothed estimates of low-frequency variables and forecasts of MF vector time series using US data on four monthly coincident indicators and quarterly real gross domestic product. Furthermore, the method's forecast accuracy is investigated through a Monte Carlo simulation. The results show that the proposed method is suitable for short and medium-term forecasting. Keywords: Mixed-frequency data; Exponential smoothing methods; Innovational state space models; Temporal aggregation; Interpolation (search for similar items in EconPapers) Downloads: (external link) Related works: Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text Persistent link: https://EconPapers.repec.org/RePEc:eee:ecmode:v:91:y:2020:i:c:p:463-468 DOI: 10.1016/j.econmod.2020.06.020 Access Statistics for this article Economic Modelling is currently edited by S. Hall and P. Pauly More articles in Economic Modelling from Elsevier |
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