Productivity growth in the U.S. economy jumped during the second half of the 1990s, a resurgence that the literature linked to information technology use. We contribute to this debate in two ways. First, using the most comparable Canadian and U.S. data available, we quantify in a comprehensive...

This paper creates a new data set on the physical capital at the state level for the United States from 1840 through 2000. We combine these new data with state level human capital and income data to do standard growth accounting exercises and to estimate the contribution of aggregate input...