Scholars have attempted to explain geographic clustering in inventive activity by arguing that it is connected with clustering in production or new investment. They have offered three possible reasons for this link: because invention occurs as a result of learning by doing; because new...

Although technological change is vital for economic growth, the interaction of finance and technological innovation is rarely studied. This pioneering volume examines the ways in which innovation is funded in the United States. In case studies and theoretical discussions, leading economists and...