Lütkepohl, Helmut; Milunovich, George - 2015
Changes in residual volatility in vector autoregressive (VAR) models can be used for identifying structural shocks in a … structural VAR analysis. Testable conditions are given for full identification for the case where the volatility changes can be … modelled by a multivariate GARCH process. Formal statistical tests are presented for identification and their small sample …