TY - UNPB Y1 - 2006/12// A1 - Fanelli, Luca EP - 8 ID - mpra1642 AV - public N1 - Unpublished UR - https://mpra.ub.uni-muenchen.de/1642/ KW - Granger non causality; Present value model; VAR TI - Present value relations, Granger non-causality and VAR stability N2 - When in "exact" present value (PV) relations the decision variables do not Granger cause the explanatory variables and a VAR process is used to derive restrictions, the system embodies explosive roots. Hence any test of the PV restrictions would reject the null if the system incorporates Granger non-causality constraints. This paper investigates the issue. ER -