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 …

This paper reviews academic research on the connections between agglomeration and innovation. We first describe the … conceptual distinctions between invention and innovation. We then discuss how these factors are frequently measured in the data …, industrial diversity) that theoretical and empirical work link to innovation, and we discuss factors that help sustain these …

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

We review the recent literature on the financing of innovation, inclusive of large companies and new startups. This … related to innovation. We highlight the new literature on learning and experimentation across multi-stage innovation projects … innovation and changing external conditions, especially reduced experimentation costs. …