This paper reviews recent academic work on the spatial concentration of entrepreneurship and innovation in the United States. We discuss rationales for the agglomeration of these activities and the economic consequences of clusters. We identify and discuss policies that are being pursued in the...

This paper reviews recent academic work on the spatial concentration of entrepreneurship and innovation in the United States. We discuss rationales for the agglomeration of these activities and the economic consequences of clusters. We identify and discuss policies that are being pursued in the...

We examine whether Europe has an "entrepreneurship deficit" compared to other industrialized regions. Cross-country comparisons are difficult due to the lack of standard empirical definitions of entrepreneurship. Measures focusing on small business activity and startup rates suggest that Europe...