structure on firm conduct and productivity in a rapidly innovating industry. Although each industry had roughly equal access to … new manufacturing technologies, the industries were monopolized at different times. The US lost an early productivity lead …

from low to high productivity firms, which translates to an industry productivity growth. A similar firms' selection effect …, namely that an increase in import penetration is systematically positively related to productivity growth. The results are … robust to measurement issues in productivity, controlling for market size, country and sector heterogeneities, and for the …