In this article, the GDP deflator is predicted starting from econometric models of historical errors of forecasts based … confirmed. However, there is an important dependence between the forecasts errors of the two variables. Econometric models were … built for real errors, absolute ones and squared errors of Dobrescu predictions of 1997-2008. The forecasts errors of GDP …

In this study some alternative forecasts for the unemployment rate of USA made by four institutions (International … predictions are unbiased. The combined forecasts of institutions’ predictions are a suitable strategy to improve the forecasts … accuracy of IMF and OECD forecasts when all combination schemes are used, but INV one is the best. The filtered and smoothed …

explicitly in literature as a source of forecasts uncertainty. In this study based on data on U.S. GDP and its components in 1995 …-2010, we found that GDP one-step-ahead forecasts made by aggregating the components with variable weights, modeled using ARMA … procedure, have a higher accuracy than those with constant weights or the direct forecasts. Excepting the GDP forecasts obtained …

strategy of building more accurate forecasts was better than the classical theoretical approaches from literature, but it is … of their forecasts. The problem is essential, especially in crisis periods, because from many forecasts made for the same … indicator only one or few are the most accurate. In this research, some alternative forecasts for the annual rate of change for …

) models generated more accurate forecasts than ARMA models or models with lags. For the infl ation rate the model with lag …, which is consistent with Granger causality, determined the most accurate forecasts. The predictions based on all these …

models of order 2 are the most accurate, being followed by the forecasts based on the predictions of active civil population …-regional unemployment rates imply a higher inadequacy and consequently a lower degree of forecasts’ accuracy …

own forecasts based on an econometric model. An auto-adaptive model was constructed for the revenues, taking into account … between the two forecasts in terms of accuracy. The comparison of each type of prediction with the naive forecasts based on …