A Novel Combination Forecasting Model for GDP

Forecasting of GDP is considered using a novel combination forecasting model. Firstly, we establish a combination forecasting model based on three individual forecasts, in this model the individual forecasting errors can be updated over time. Secondly Ningxia per GDP from 1985 to 2010 is analyzed employing this novel combination forecasting, the empirical results show that combination forecast can improve forecasting performance significantly.