"This paper extends the concept of star scientist to all areas of science and technology. We follow 1,838 stars' careers 1981-2004, using their publication history to locate them each year. The number of stars in a U.S. region or in one of the top-25 science and technology countries has a...

The economic expansion of the late 1990s created many opportunities for business creation in Silicon Valley, but the opportunity cost of starting a business was also high during this period because of the exceptionally tight labor market. A new measure of entrepreneurship derived from matching...

Our analysis of the survival of firms leads to the important result that the hypotheses about differences between various industries in the life duration of new firms and about the importance of the region of location for the probability of survival are confirmed. Many more enterprises are...

The economic expansion of the late 1990s created many opportunities for business creation in Silicon Valley, but the opportunity cost of starting a business was also high during this period because of the exceptionally tight labor market. A new measure of entrepreneurship derived from matching...

"This paper revisits a central issue in entrepreneurial finance, namely the signals technology startups send to external investors to convey information about their quality. We examine the potential for technology startups to use patents and founders, friends and family money (FFF money) as...