a measure of technology that isolates sources of innovation and their contributions to domestic TFP. Within …-industry innovation enhances domestic productivity, and domestic between industry innovations are productivity enhancing. However, foreign …-sourced between-industry innovation has a negative effect on domestic productivity. This highlights the dual aspect of patents as a …

How do political connections affect firm dynamics, innovation, and creative destruction? To answer this question, we … build a firm dynamics model, where we allow firms to invest in innovation and/or political connection to advance their …

We study the relationship between patents and actual product innovation in the market, and how this relationship varies … consumer goods sector. We find that patent filings are positively associated with subsequent product innovation by firms, but … at least half of product innovation and growth comes from firms that never patent. We also find that market leaders use …