Fitting dynamic factor models to non-stationary time series / Michael Eichler, Giovanni Motta, Rainer von SachsOn Granger-causality and the effect of interventions in time / Michael Eichler, Vanessa DidelezModeling spike occurrences in electricity spot prices for forecasting / $3011 ... [et al]Fitting semiparametric Markov regime-switching models to electricity spot prices / Michael Eichler, Dennis Tuerk