framework that contains multiple innovation sizes, multi-product firms, and entry/exit. Firms invest in exploration R&D to … regularities regarding innovation and growth differences across the firm size distribution. We also incorporate patent citations …

We build a model of firm-level innovation, productivity growth and reallocation featuring endogenous entry and exit. A …

innovation. We first establish a positive and significant correlation between various measures of innovativeness and top income … in the top 1% income share between 1975 and 2010. Finally, we show that innovation does not increase broader measures of … inequality which do not focus on top incomes, and that innovation is positively correlated with social mobility, but less so in …