LOG(XS) = 1.39999580363 * LOG(XS(−1)) − 0.324846615845 * LOG(XS(−2)) − 0.18190027768 * LOG(XS(−3)) + 0.0324272337436 * LOG(Y) − 0.00569744857525 * LOG(X) − 0.0076016998432 * LOG(X(−1)) + 0.000218229060879 * LOG(X(−2)) + 0.000281155770049 * RER − 0.000541758175011

@INNOV XS 0.4567353275