I discuss reasons why manufacturing productivity statistics should be interpreted with caution in light of the recent growth of domestic and foreign outsourcing and offshoring. First, outsourcing and offshoring are poorly measured in U.S. statistics, and poor measurement may impart a significant...

The rapid growth of offshoring has sparked a contentious debate over its impact on the U.S. manufacturing sector, which has recorded steep employment declines yet strong output growth—a fact reconciled by the notable gains in manufacturing productivity. We maintain, however, that the dramatic...

We estimate the effects of manufacturers' use of employment services—comprised primarily of temporary help and professional employer organizations—on measured employment and labor productivity in manufacturing between 1989 and 2004. A major contribution of the paper is the construction of...