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Replications of forecasting research

Evanschitzky, H. and Armstrong, J. (2010) Replications of forecasting research. International Journal of Forecasting, 26 (1). pp. 4-8. ISSN 0169-2070

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Abstract

We have examined the frequency of replications published in the two leading forecasting journals, the International Journal of Forecasting (IJF) and the Journal of Forecasting (JoF). Replications in the IJF and JoF between 1996 and 2008 comprised 8.4% of the empirical papers. Various other areas of management science have values ranging from 2.2% in the Journal of Marketing Research to 18.1% in the American Economic Review. We also found that 35.3% of the replications in forecasting journals provided full support for the findings of the initial study, 45.1% provided partial support, and 19.6% provided no support. Given the importance of replications, we recommend various steps to encourage replications, such as requiring a full disclosure of the methods and data used for all published papers, and inviting researchers to replicate specific important papers.