Abstract

http://ssrn.com/abstract=2027396
 
 

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A Two-Stage Approach to Predicting Genocide and Politicide Onset in a Global Dataset


Benjamin E. Goldsmith


University of Sydney

Charles Robert Butcher


National Centre for Peace and Conflict Studies, University of Otago

Dimitri Semenovich


University of New South Wales (UNSW)

Arcot Sowmya


University of New South Wales (UNSW)

March 20, 2012


Abstract:     
We present what is, to the best of our knowledge, the first published set of out-of-sample forecasts of genocide and politicide based on a global dataset. Our goal is to produce a prototype for a real-time model capable of forecasting one year into the future. While building on the current literature, we take several important steps towards better forecasting. We implement a two-stage modelling approach that considers both the likelihood of instability and the likelihood of genocide in a single estimate. Our sample is restricted only by the available data, rather than through selection of controlled cases, since such an approach would not be available for forecasting into the future. We explore factors exhibiting variance over time to improve year-on-year forecasting performance. And we produce annual lists of at-risk states in a format that should be of use to policy makers seeking to prevent such mass atrocities. Overall our out-of-sample forecasts for 1988-2003 predict 81.8% of genocide onsets correctly while also predicting 78.7% of non-onset years correctly, an improvement over a previous study using a case-control in-sample approach. We produce 16 annual forecasts based only on previous years’ data, which identify seven of eleven cases of genocide/politicide onset within the handful of the top 5% of at-risk countries per year. This represents a considerable step toward useful real-time forecasting of such rare events. We conclude by suggesting ways to further enhance predictive performance.

Number of Pages in PDF File: 31

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Date posted: March 22, 2012 ; Last revised: March 1, 2014

Suggested Citation

Goldsmith, Benjamin E. and Butcher, Charles Robert and Semenovich, Dimitri and Sowmya, Arcot, A Two-Stage Approach to Predicting Genocide and Politicide Onset in a Global Dataset (March 20, 2012). Available at SSRN: http://ssrn.com/abstract=2027396 or http://dx.doi.org/10.2139/ssrn.2027396

Contact Information

Benjamin E. Goldsmith (Contact Author)
University of Sydney ( email )
University of Sydney
Sydney, NSW 2006
Australia
Charles Robert Butcher
National Centre for Peace and Conflict Studies, University of Otago ( email )
520 Castle Street
Dunedin, NSW 9010
New Zealand
Dimitri Semenovich
University of New South Wales (UNSW) ( email )
Sydney, NSW 2052
Australia
0293856532 (Phone)
Arcot Sowmya
University of New South Wales (UNSW) ( email )
Sydney, NSW 2052
Australia
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