Uncertainty and forecasts of U.S. recessions

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Authors

Pierdzioch, Christian
Gupta, Rangan

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Publisher

De Gruyter

Abstract

We estimate Boosted Regression Trees (BRT) on a sample of monthly data that extends back to 1889 to recover the predictive value of disaggregated news-based uncertainty indexes for U.S recessions. We control for widely-studied standard predictors and use out-of-sample metrics to assess forecast performance. We find that war-related uncertainty is among the top five predictors of recessions at three different forecast horizons (3, 6, and 12 months). The predictive value of war-related uncertainty has fallen in the second half of the 20th century. Uncertainty regarding the state of securities markets has gained in relative importance. The probability of a recession is a nonlinear function of war-related and securities-markets uncertainty. Receiver-operating characteristic curves show that uncertainty improves out-of-sample forecast performance at the longer forecast horizons. A dynamic version of the BRT approach sheds light on the importance of various lags of government-related uncertainty for recession forecasting at the long forecast horizon.

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Keywords

Forecasting, Recessions, ROC curves, Uncertainty, Boosted regression trees (BRT), Receiver-operating characteristic (ROC)

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Citation

Pierdzioch, C. & Gupta, R. 2020, 'Uncertainty and forecasts of U.S. recessions', Studies in Nonlinear Dynamics and Econometrics, vol. 24, no. 4, pp. 1-21.