Kholodilin, Konstantin A.; Podstawski, Maximilian; … - DIW Berlin (Deutsches Institut für Wirtschaftsforschung) - 2009
consumption based on both the conventional consumer confidence indicators and the Google indicators. The latter are extracted from … the Google searches using the principal component analysis. It is shown that the Google indicators are especially … alternative during the 2008m1-2009m5 forecast period. In addition, Google indicators are available at weekly frequency and not …