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2012-04-27Buch DOI: 10.18452/4404
Local Adaptive Multiplicative Error Models for High-Frequency Forecasts
Härdle, Wolfgang Karl cc
Hautsch, Nikolaus
Mihoci, Andrija
We propose a local adaptive multiplicative error model (MEM) accommodating timevarying parameters. MEM parameters are adaptively estimated based on a sequential testing procedure. A data-driven optimal length of local windows is selected, yielding adaptive forecasts at each point in time. Analyzing one-minute cumulative trading volumes of five large NASDAQ stocks in 2008, we show that local windows of approximately 3 to 4 hours are reasonable to capture parameter variations while balancing modelling bias and estimation (in)efficiency. In forecasting, the proposed adaptive approach significantly outperforms a MEM where local estimation windows are fixed on an ad hoc basis.
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DOI
10.18452/4404
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