A two-component model for the evolution of real GDP per capita in the USA is presented and tested. The first component … between the growth rate of real GDP per capita and the number of 9-year-olds in the USA is tested for cointegration. For … cointegrating relation. Econometrically, the tests for cointegration show that the deviations of real economic growth in the USA …

obtained for the USA is characterized by A1=4.0, A2=-0.03075, and t1=2 years. It provides a root mean square forecasting error …