We estimate the demand for a videocalling technology in the presence of both network effects and heterogeneity. Using a …

leaders. We find strong evidence of technological diffusion but not full convergence; differences in total factor productivity …

revolution began, however, several decades passed before measured productivity growth increased. This delay is paradoxical from …

adopted – take time to be reflected in aggregate productivity statistics. Before mechanization, cotton spinning was performed … plant productivity distribution of new technology adopters in mechanized cotton spinning. We find that this distribution was … initially highly dispersed. Over the subsequent decades, mechanized spinning experienced dramatic productivity growth that was …

We examine productivity growth since World War II in the five leading research economies: West Germany, France, the … productivity, research, and patenting, we simulate the growth of the five countries, given initial productivity levels in 1950 and … the magnitude of the slowdown in German, French, and Japanese productivity growth and the relative constancy of U.K. and U …

the speed and productivity of inventors at making them. Instead, appropriate human capital and an environment promoting …

We develop and estimate a model where technology diffusion depends on the level of productivity embodied in capital and … countries, and the period 1870-1998 reveals that embodied productivity growth is large for many of the technologies in our …