productivity growth, while the older literature focused on average productivity improvements ("learning"). We use comprehensive … role in aggregate productivity gains immediately following the start of India's trade reforms in 1991. However, aggregate … productivity gains during the overall 20-year period from 1985 to 2004 were driven largely by improvements in average productivity …

) 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 …

technologies, leading to higher productivity. We propose a model of endogenous selection and innovation in heterogeneous firms that …

, including the distribution of output and productivity across firms and the magnitude of entry and exit flows. It has been argued … market structure, more producer turnover, smaller within-industry productivity dispersion across producers, a smaller … percentage of plants operating at low productivity levels, and smaller productivity differentials between surviving and failing …

productivity (TFP). In our framework, the correlation between firm size and borrowing costs has no bearing on TFP losses under the …

entry rates and increases in plant productivity. These results are not present for districts located on another major …

) that has been modified to include ICT investment and R&D as the two main inputs into innovation and productivity. We find … that R&D and ICT are both strongly associated with innovation and productivity, with R&D being more important for … innovation, and ICT investment being more important for productivity. For the median firm, rates of return to both investments …

Within-industry differences in measured plant-level productivity are large. A large literature has been devoted to … classification and regression trees. We use our imputations and the Bureau's imputations to estimate within-industry productivity … dispersions. The results suggest that there is more within-industry productivity dispersion than previous research has indicated …

What do we know about the relationship between innovation and productivity among firms? The workhorse model of this … innovation are derived. The recent empirical evidence on the relationship between innovation and productivity in firms is then … surveyed. The conclusion is that there are substantial positive impacts of product innovation on revenue productivity, but that …