of long run Granger non-causality, (ii) cointegration is a special case of long run Granger non-causality along a …

, we focus not only on real activity, which has received most attention to date, but also on inflation and its interaction … aspects concern a real activity decline that was unusually long but less unusually deep, and an inflation decline that was … unusually deep but brief; and (3) its real activity and inflation interactions were strongly positive, consistent with an …