measure of entrepreneurship derived from matching files from the Current Population Survey (CPS) is used to provide the first …. Estimates indicate that hi-tech entrepreneurship rates were lower in Silicon Valley than the rest of the United States during … the period from January 1996 to February 2000. Examining the post-boom period, we find that entrepreneurship rates in …

entrepreneurship, there are many challenges to creating a definition that is both objective and empirically feasible. We propose an … operational definition of opportunity versus necessity entrepreneurship using readily available nationally representative data. We … consistent with the standard theoretical economic model of entrepreneurship. Using this definition we document that "opportunity …