-by-step innovation. Innovations result from costly R&D investments and move technology up one step. Competition is inversely measured by …-and-neck. All these results are consistent with the predictions of step-by-step innovation models …

Does regulation affect the pace and nature of innovation and if so, by how much? We build a tractable and quantifiable … sharp reduction in the firm’s innovation response to exogenous demand shocks for firms just below the regulatory threshold …. We then quantitatively fit the parameters of the model to the data, finding that innovation at the macro level is about 5 …

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 analyze how demand conditions faced by a firm impacts its innovation decisions. To disentangle the direction of … causality between innovation and demand conditions, we construct a firm-level export demand shock which responds to aggregate … that this finding of a skewed innovation response to common demand shocks arises naturally from a model of endogenous …

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 …

How does firm entry affect innovation incentives and productivity growth in incumbent firms? Micro-data suggests that … threat spurs innovation incentives in sectors close to the technological frontier--successful innovation allows incumbents to … prevent entry. In laggard sectors it discourages innovation--increased entry threat reduces incumbents' expected rents from …

as sources of relative innovation underperformance in Europe vis-à-vis the United States. In this paper we investigate R …) that has been modified to include ICT investment and R&D as the two main inputs into innovation and productivity. We find … that R&D and ICT are both strongly associated with innovation and productivity, with R&D being more important for …