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...

Biographical information on a sample of renowned U.S. inventors is combined with information on the patents they received over their careers, and employed to highlight the implications of patent institutions for markets in inventions and for democratization. The United States deliberately...

A sample of patent records from the United States between 1790 and 1846 is employed to study the patterns in inventive activity. Patenting was pro-cyclical, and yet began to grow rapidly with the interruptions in foreign trade that preceded the War of 1812. A strong association between patenting...