“…The decrease of inflation persistence has been attributed to a more aggressive monetary policy stance in the US (Davig and Doh, 2008) and to the implementation of credible monetary policy regimes such as inflation targeting elsewhere (Benati, 2008). The linkage between changes in inflation dynamics and monetary policy is further corroborated by evidence about structural changes in monetary policy itself (Baxa et al, 2010;Boivin, 2006;Kim and Nelson, 2006;Koop et al, 2009;Sims and Zha, 2006;Trecroci and Vassalli, 2010).…”