Abstract
Accurate forecasts of macroeconomic variables are crucial inputs into the decisions of economic agents and policy makers. Exploiting inherent aggregation structures of such variables, we apply forecast reconciliation methods to generate forecasts that are coherent with the aggregation constraints. We generate both point and probabilistic forecasts for the first time in the macroeconomic setting. Using Australian GDP we show that forecast reconciliation not only returns coherent forecasts but also improves the overall forecast accuracy in both point and probabilistic frameworks.
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- 1.
Strictly speaking \(\mathcal {A}\) is a Borel set.
- 2.
The relevant github repository is https://github.com/PuwasalaG/Hierarchical-Book-Chapter.
- 3.
Breve is used instead of a hat or tilde to denote that this can be the error for either a base or reconciled forecast.
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Athanasopoulos, G., Gamakumara, P., Panagiotelis, A., Hyndman, R.J., Affan, M. (2020). Hierarchical Forecasting. In: Fuleky, P. (eds) Macroeconomic Forecasting in the Era of Big Data. Advanced Studies in Theoretical and Applied Econometrics, vol 52. Springer, Cham. https://doi.org/10.1007/978-3-030-31150-6_21
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DOI: https://doi.org/10.1007/978-3-030-31150-6_21
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