Can stock market bubbles accelerate long term growth? Do such bubbles indicate irrational behavior? This paper studies the effect of innovation uncertainty on the concomitant time path of firm valuations, technology adoption and growth in a setting that incorporates positive network...

This paper studies the effect of innovation uncertainty on the concomitant time path of firm valuations, technology adoption and growth in a setting which incorporates positive network externalities. The resulting stock market bubble, induced by uncertainty and accelerated by the externality...

An important study of the relationship between technology, skills, and economic inequality that answers some of the most pressing economic questions of our time Today’s great paradox is that we feel the impact of technology everywhere—in our cars, our phones, the supermarket, the doctor’s...

We study the effects of learning by doing resulting from the production of a final good on economic growth in a region that is creative in the sense of Richard Florida. Firms in this region use creative and physical capital to produce output. We model learning by doing formally and our analysis...

We build a model of firm-level innovation, productivity growth and reallocation featuring endogenous entry and exit. A key feature is the selection between high- and low-type firms, which differ in terms of their innovative capacity. We estimate the parameters of the model using detailed US...

We build a model of firm-level innovation, productivity growth and reallocation featuring endogenous entry and exit. A new and central economic force is the selection between high- and low-type firms, which differ in terms of their innovative capacity. We estimate the parameters of the model...

We build a model of firm-level innovation, productivity growth and reallocation featuring endogenous entry and exit. A key feature is the selection between high- and low-type firms, which differ in terms of their innovative capacity. We estimate the parameters of the model using detailed US...

We build a model of firm-level innovation, productivity growth and reallocation featuring endogenous entry and exit. A new and central economic force is the selection between highand low-type firms, which differ in terms of their innovative capacity. We estimate the parameters of the model using...