Portier, F;    Beaudry, P;    Fève, P;    Guay, A;      (2019)    When is Nonfundamentalness in SVARs a Real Problem?                   Review of Economic Dynamics , 34    pp. 221-243.    10.1016/j.red.2019.03.011 <https://doi.org/10.1016/j.red.2019.03.011>.       Green open access