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Monitoring and forecasting annual public deficit every month: The case of France

par Silvestrini, Andrea;Salto, Matteo;Moulin, Laurent;Veredas, David
Référence Empirical economics, 34, 3, page (493-524)
Publication Publié, 2008-06

Article révisé par les pairs

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Résumé :

In this paper we forecast annual budget deficits using monthly information. Using French monthly data on central government revenues and expenditures, the method we propose consists of: (1) estimating monthly ARIMA models for all items of central government revenues and expenditures; (2) inferring the annual ARIMA models from the monthly models; (3) using the inferred annual ARIMA models to perform one-step-ahead forecasts for each item; (4) compounding the annual forecasts of all revenues and expenditures to obtain an annual budget deficit forecast. The major empirical benefit of this technique is that as soon as new monthly data become available, annual deficit forecasts are updated. This allows us to detect in advance possible slippages in central government finances. For years 2002-2004, forecasts obtained following the proposed approach are compared with a benchmark method and with official predictions published by the French government. An evaluation of their relative performance is provided. © Springer Verlag 2007.