Acs, Zoltán J.; Audretsch, David B.; Braunerhjelm, Pontus - 2005
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 …