Counterfactual framework and assumptions -- Conventional methods for data balancing -- Sample selection and related models -- Propensity score matching and related models -- Matching estimators -- Propensity score analysis with nonparametric regression -- Selection bias and sensitivity analysis...

Eine Methode, um das systematische und unsystematische Risiko sowie den Einfluss externer Einflussfaktoren auf Aktienrenditen zu bestimmen, ist die Zerlegung der Varianz von Aktienrenditen. Allerdings waren die bisher angewendeten Methoden der Varianzzerlegung nur unzureichend dazu geeignet,...

Echo State Neural Networks (ESN) were applied to forecast the realized variance time series of 19 major stock market indices. Symmetric ESN and asymmetric AESN models were constructed and compared with the benchmark realized variance models HAR and AHAR that approximate the long memory of the...