Abstract
This paper analyses the sources of U.S. labour productivity growth in the late 1990s and presents projections for both output and labour productivity growth. We show that investment in information technology (IT) played a substantial role in the U.S. productivity revival and that similar trends are evident in data for other leading OECD countries. We then outline a methodology for projecting trend output and productivity growth for the broadly defined U.S. economy. Our base-case projection puts trend productivity growth at 1.78 percent per year over the next decade with a range of 1.14 to 2.38 percent, reflecting fundamental uncertainties about the rate of technical progress in IT-production and investment in IT-equipment and software. Our central projection is below the average growth rate of 2.07 percent during 1995 -2000. Similar projections for Europe must await more complete information. (JEL J2)
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