How did the diffusion of the Internet influence research collaborations within firms? We examine the relationship between business use of basic Internet technology and the size and geographic composition of industrial research teams between 1992 and 1998. We find robust empirical evidence that...

This article studies whether and how mobile Internet networks compete with traditional fixed-line Internet networks by examining the how the quality of local fixed-line Internet service influences mobile Internet adoption and use. An empirical analysis shows that local fixed-line Internet speed...

We examine the relationship between the diffusion of advanced internet technology and the geographic concentration of invention, as measured by patents. First, we show that patenting became more concentrated from the early 1990s to the early 2000s and, similarly, that counties that were leaders...

We examine the relationship between the diffusion of advanced internet technology and the geographic concentration of invention, as measured by patents. First, we show that patenting became more concentrated from the early 1990s to the early 2000s and, similarly, that counties that were leaders...