role in increasing productivity growth in U.S. manufacturing. Contemporaneous levels of exports and productivity are indeed … positively correlated across manufacturing industries. However, tests on industry data show causality from productivity to … exporting but not the reverse. While exporting plants have substantially higher productivity levels, we find no evidence that …

Since 1995, growth in productivity in the United States appears to have accelerated dramatically. In this paper, we … cause conventionally measured growth in real output and productivity to be overstated. Building on the GDP function approach … year, or about 20%, of the 1995-2006 apparent increase in productivity growth for the U.S. economy. Bias in the price …