What factors underlie industry differences in research intensity and productivity growth? We develop a multi … consumer preferences. We find that long run industry differences in both productivity growth and R&D intensity mainly reflect … research cannot account for industry differences in productivity growth rates, and that variation in intertemporal knowledge …

elasticity and multiple asymmetric regions, in which trade integration induces wage and productivity changes. Using Canada … productivity. Given the estimated parameter values, we first decompose border effects into a pure border effect, relative and … Canada-US border on regional market aggregates such as wages, productivity, markups, the mass of varieties produced and …