Economic research on industry location and agglomeration has focused nearly exclusively on manufacturing. This paper shows that services are prominent among the most agglomerated industries, especially at the county level. Because traditional measures of knowledge spillovers, natural resource...

Governments justify support of Internet diffusion on two grounds: (1) to overcome a persistent digital divide in broadband availability and (2) to facilitate online activities that are socially or economically desirable. This paper assesses both these claims. Using individual-level data from...

Most rich countries in the world and four US states require drivers talking on mobile phones to use hands-free devices. However, previous research has failed to arrive at a consensus on the effect of mobile phones on traffic accidents yet has concluded that the effect of hands-free and hand-held...