Before revision: The aim of this paper is to estimate short-term forecasts of the US GDP components by expenditure approach sooner than they are officially released by the national institutions of statistics .
After revision: This paper aims to examine the use of sparse methods to forecast the real, in the chain-linked volume sense, expenditure components of the US and EU GDP in the short-run sooner than the US GDP components by expenditure approach sooner than they are officially released by the national institutions of statistics .