We study the implications of global supply chains for the design of monetary policy, using a small-open economy New Keynesian model with multiple stages of production. Within the family of simple monetary policy rules with commitment, a rule that targets separate producer price inflation at...

This paper reconsiders the degree to which macroeconomic stabilization is possible when the zero lower bound is a relevant constraint on the effectiveness of conventional monetary policy, under an assumption of bounded rationality. In particular, we reconsider the potential role of...

This paper starts by documenting a new fact that consumer price index (CPI) and producer price index (PPI) used to move in tandem within a given country around the world, but start to diverge after 2000. Understanding the source of divergence is important as it potentially affects optimal...