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Irregular leadership changes in 2014: Forecasts using ensemble, split-population duration models
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DOI：10.1016/j.ijforecast.2015.01.009.png)
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Abstract
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We forecast Irregular Leadership Changes (ILCs) - unexpected leadership changes in contravention of a state's established laws and conventions - for six months in mid-2014 using predictions from an ensemble of seven split-population duration regression models. The original forecasts were made in May 2014. Our approach allows us to aggregate models for different mechanisms leading to ILCs in one ensemble forecast, is sensitive to the overwhelming number of non-events (zeros) in the data, and allows us to make real-world forecasts with a lag of approximately five weeks. The data are based on 45 ILCs recorded for the period from March 2001 to March 2014, with monthly observations for up to 168 countries worldwide. The ensemble achieves in- and out-of-sample AUCs of similar to 0.85, and we present the 10 highest forecasts, which include Thailand. (C) 2015 International Institute of Forecasters. Published by Elsevier B.V. All rights reserved.
Keywords:
Government forecasting
Political Instability Task Force
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