estimation results, we relate productivity estimates with import competition, using firm and product level measures of import … competition. We find that if productivity at the firm level tends to positively react to increased import competition, the multi … efficiency in producing that core product, in which it has a productivity advantage. However, when the degree of foreign …

estimation results, we relate productivity estimates with import competition, using firm and product level measures of import … competition. We find that if productivity at the firm level tends to positively react to increased import competition, the multi … efficiency in producing that core product, in which it has a productivity advantage. However, when the degree of foreign …

) definition of aggregate productivity growth, which aggregates plant-level changes to changes in aggregate final demand in the … technologies, one for each 4-digit SIC code. On average we find positive aggregate productivity growth of 2.2% in this sector … for both the theoretical literature on growth and alternative indexes of aggregate productivity growth based only on …