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 …

We show theoretically that a proportional R&D subsidy accelerates innovation activity at all degrees of competition in … inverted U-shape between competition and innovation. Secondly, we find some evidence that a direct R&D subsidy increases …