Innovation is often predicated on discovering useful new combinations of existing knowledge in highly complex knowledge …, and particle physics. We develop a combinatorial-based knowledge production function and embed it in the classic Jones …. This production function is a generalization (and reinterpretation) of the Romer/Jones knowledge production function …

location, which has been taken as evidence of geographically localized knowledge spillovers. In this study, we find that patent … in question, which we interpret as evidence of a significant role played by social capital in promoting knowledge … find strong evidence in support of the enduring social capital hypothesis; social ties that facilitate knowledge transfer …

We conduct the first empirical test of the knowledge burden hypothesis, one of several theories advanced to explain … increasing team sizes in science. For identification, we exploit the collapse of the USSR as an exogenous shock to the knowledge …

Recent research on financial market valuation of the knowledge assets of publicly traded firms is surveyed. The … motivation for using a market value equation to price knowledge assets is discussed and the theory behind this equation is … value of the modern manufacturing corporation is strongly related to its knowledge assets, and that patent measures contain …

Innovation policy can be a crucial component of governments' responses to crises. Because speed is a paramount … objective, crisis innovation may also require different policy tools than innovation policy in non-crisis times, raising … distinct questions and tradeoffs. In this paper, we survey the U.S. policy response to two crises where innovation was crucial …