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

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Date

1999

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Publisher

Universitätsbibliothek Dortmund

Abstract

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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Keywords

bias correction, combination of forecasts, generalized jackknife, multivariate forecasts, regression

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