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

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 …

Innovation and technological progress are the key determinants of long-run economic growth and welfare. Therefore, an … important question is, how can public policy encourage more innovation? In this chapter, I review some of the empirical findings … from various recent studies on innovation and firm dynamics that can shed light on the design of innovation policy. The …