Abstract
This paper proposes a methodology to forecast cointegrated time series using many predictors. In particular, we show that Partial Least Squares can be used to estimate single-equation models that take into account of possible long-run relations among the predicted variable and the predictors. Based on Helland (Scand. J. Stat. 17:97–114, 1990), and Helland and Almoy (J. Am. Stat. Assoc. 89:583–591, 1994), we discuss the conditions under which Partial Least Squares regression provides a consistent estimate of the conditional expected value of the predicted variable. Finally, we apply the proposed methodology to a well-known dataset of US macroeconomic time series (Stock and Watson, Am. Stat. Assoc. 97:1167–1179, 2005). The empirical findings suggest that the new method improves over existing approaches to data-rich forecasting, particularly when the forecasting horizon becomes larger.
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Notes
- 1.
The replication files are available on the web page http://homepages.ulb.ac.be/dgiannon/.
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Acknowledgements
We thank Alain Hecq as well as an anonymous referee for useful comments and corrections. The usual disclaimers apply.
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Cubadda, G., Guardabascio, B. (2012). On the Use of PLS Regression for Forecasting Large Sets of Cointegrated Time Series. In: Di Ciaccio, A., Coli, M., Angulo Ibanez, J. (eds) Advanced Statistical Methods for the Analysis of Large Data-Sets. Studies in Theoretical and Applied Statistics(). Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-21037-2_16
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DOI: https://doi.org/10.1007/978-3-642-21037-2_16
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