Studying the links between geography and technological change and between entrepreneurship and technological change can be difficult.This paper seeks to create an empirical framework that internalizes entrepreneurial activity and agglomeration effects on knowledge spillovers.The literature...

By 2050 about 70% of the world's population is expected to live in cities. Cities offer spatial economic advantages that boost agglomeration forces and innovation, fostering further concentration of economic activities. For historic reasons urban clustering occurs along coasts and rivers, which...