Combination of biased forecasts: Bias correction or bias based weights?

Research, Report, Preprint OPEN
Wenzel, Thomas (1999)
  • Publisher: SFB 475, Universität Dortmund Dortmund
  • Subject: combination of forecasts | multivariate forecasts | bias correction | regression | Bias | Prognoseverfahren | generalized Jackknife | info:eu-repo/classification/ddc/310 | Theorie | combination of forecasts,bias correction,regression,generalized Jackknife,multivariate forecasts
    • ddc: ddc:330
    arxiv: Physics::Atmospheric and Oceanic Physics

Most of the literature on combination of forecasts deals with the assumption of unbiased individual forecasts. Here, we consider the case of biased forecasts and discuss two different combination techniques resulting in an unbiased forecast. On the one hand we correct the individual forecasts, and on the other we calculate bias based weights. A simulation study gives some insight in the situations where we should use the different methods.
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