This paper aims to explore the nonlinear relation between investments and GDP. The method of neural network is used to construct two nonlinear models of GDP in relation to domestic investments, foreign direct investments and real interest rate. The results show that the two neural models present...

After treating Gross Fixed Capital Formation and Domestic and Public Consumption, we continue with the problem of the relation between predictability and complexity in Romanian economy, analyzing other two components of GDP: Import and Export. The macroeconomic forecasting is a very difficult...