paradigm crisis, highlighting the strong links between the exploitation of knowledge and the accumulation of surplus. Therefore …, increasing productivity - via knowledge and network externalities - output and employment). As a result, we first point out the …

/her reliance on alternative sources of knowledge for exploring new business opportunities. The extant literature that is at the … crossroads between sources of knowledge and the experiential and intellectual base of an entrepreneur (i.e., dimensions of his …/her human capital) suggests that it is through experience and through education that an entrepreneur obtains knowledge. Using …

entrepreneurship literature is that opportunities are exogenous, the most prevalent theory of innovation in the economics literature … opportunity by developing a knowledge spillover theory of entrepreneurship. The basic argument is that knowledge created … endogenously via R&D results in knowledge spillovers. Such spillovers give rise to opportunities to be identified and exploited by …

area GDP per capita. Second, we develop measures of human capital that reflect the types of knowledge within U ….S. metropolitan areas. Regional knowledge stocks related to the provision of producer services and information technology are …

general as well as in technology- and knowledge-intensive subsectors. We compare Germany and Portugal which exhibit, though EU … indicate that the skill composition has different effects on firm entry in the two countries. More specifically, for Portugal …

impact of immigration on entrepreneurial activity. Immigrants, we hypothesize, facilitate innovation and entrepreneurship by … immigrants (even if they are not self-employed) may prove to be areas in which entrepreneurship and innovation are easier to …