We document that since 1997, the rate of startup formation has precipitously declined for firms operated by U.S. PhD recipients in science and engineering. These are supposedly the source of some of our best new technological and business opportunities. We link this to an increasing burden of...

We document that since 1997, the rate of startup formation has precipitously declined for firms operated by U.S. PhD recipients in science and engineering. These are supposedly the source of some of our best new technological and business opportunities. We link this to an increasing burden of...

Contemporary theories of entrepreneurship generally focus on the decision-making context of the individual. The recognition of opportunities and the decision to commercialize them is the focal concern. While the prevalent view in the entrepreneurship literature is that opportunities are...

According to its proponents, the `new economy' is associated with sustainable growth, increased demand for labor and zero inflation. On the micro-level, this bright avenue into the future is propelled by knowledge capital, flexibility and new ways of organizing production, such as clusters and...

The Industrial Organization literature has long been concerned about the discrepancy between the theoretical assumptions of equalization of profits among firms and the lack of empirical support. To sort out this contradiction, this paper defines a knowledge stock derived from investments in R &...