We examine the diffusion of more than twenty technologies across twenty-three of the world's leading industrial … economies. Our evidence covers major technology classes such as textile production, steel manufacture, communications …, information technology, transportation, and electricity for the period 1788-2001. We document the common patterns observed in the …

. Domestic imitation and innovation both appear to depend positively on high technology imports from developed countries … initial GDP levels, consistent with conditional convergence hypotheses. Interestingly, foreign technology from developed …

causes are changes in technology, international competition, and factor supplies. The relative importance of these causes in … competitive general equilibrium where goods prices, technology and factor supplies jointly determine outputs and factor prices. We … specify an empirical model which allows us to estimate the general equilibrium relationship between wages and technology …

with country-specific technological differences, and industry-level scale economies with identical technology in each … country. The data support the constant returns/different technology hypothesis over the increasing returns/same technology …