We explore the impact of geographic dispersion of a firm's R&D activities on the quality of its
innovative output. Using data on over half a million patents from 1127 firms, we find that …

We examine the golden age of US innovation by undertaking a major data collection
exercise linking historical US patents to state and county-level aggregates and matching …

Innovation is central to economic growth. 1 Arguably, the most valuable innovations have
been embodied in technologies that perform work, such as the provision of energy or health …

In his essay, Jim Bessen finds that there is scant evidence in the literature to show that
formal intellectual property rights stimulate growth or increase rates of innovation. Indeed, he …

The purpose of this study is to examine the link between collaboration and innovation.
Recent years have witnessed hype over the need for collaborations in the innovation …

Research and development (R&D) consortia are specialized strategic alliances that shape
the direction and scope of firm innovation activities. Little research exists on the performance …

The biotechnology industry is a striking example of the disconnect between the location of
knowledge creation and its commercial development. I argue that national technological …

We explore the technological evolution of three microprocessor firms between 1976 and
2004. We trace how two initially small entrants (Intel and AMD) competed against a larger …

This article uses historical data on inventor and firm research and development (R&D) lab
locations to examine the technological and geographic structure of corporate knowledge …

We study the structure of the interregional inventor networks in Sweden by examining the
residence of inventors and coinventors involved in Swedish patent applications to the …