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This paper develops a new methodology to estimate the eect of low-wage import competition on U.S. producer prices. We rst document that when low-wage countries grow, their exports to the United States increase most in labor-intensive sectors. Second, we demonstrate that the temporary and relative component of imports induced by labor intensity and output growth in low-wage countries is orthogonal to U.S. supply and demand shocks and can, therefore, be utilized to identify the causal impact of import competition on prices. In a panel covering 325 manufacturing industries from 1997 to 2006, we nd that imports from nine low-wage countries are associated with strong downward pressure on U.S. prices. When these nations capture 1% U.S. market share, producer prices decrease by 3.1%, which is nearly fully accounted by a 2.4% increase in labor productivity and a 0.4% decrease in markups. Overall, we nd that imports from the examined countries have decreased U.S. manufacturing PPI in ation by around two percentage points each year.

Greater international economic interconnectedness over recent decades has been changing inflation dynamics. This paper presents evidence that the expansion of global value chains (GVCs), ie cross-border trade in intermediate goods and services, is an important channel through which global economic slack influences domestic inflation. In particular, we document the extent to which the growth in GVCs explains the established empirical correlation between global economic slack and national inflation rates, both across countries and over time. Accounting for the role of GVCs, we also find that the conventional tradebased measures of openness used in previous studies are poor proxies for this transmission channel. The results support the hypothesis that as GVCs expand, direct and indirect competition among economies increases, making domestic inflation more sensitive to the global output gap. This can affect the trade-offs that central banks face when managing inflation. JEL codes: