To identify the determinants of cross-country disparities in personal computer and Internet penetration, we examine a … significant in most specifications for computer use. A similar pattern holds true for Internet use, except that telephone density … differentials. For computers, telephone density and regulatory quality are of second and third importance, while for the Internet …

Computer and Internet use, especially in developing countries, has expanded rapidly in recent years. Even in light of … Internet penetration, both currently and over time, we examine panel data for 161 countries over the 1999-2004 period. We … factors associated with computer and Internet penetration do not differ substantially between developed and developing …

We propose a methodology for defining urban markets based on built-up land-cover classified from daytime satellite … more variation in the spatial distribution of economic activity. We conclude that daytime satellite data are a promising …

We use state-of-the-art, satellite-based PM2.5 estimates to assess the extent to which the EPA's existing, monitor …-based measurements over- or under-estimate true exposure to PM2.5 pollution. Treating satellite-based estimates as truth implies a … importance of accounting for prediction error in satellite-based estimates. Uncertainty in "policy errors" increases …

This paper analyses the rapid diffusion of the Internet across the United States over the past decade for both … households and firms. We put the Internet's diffusion into the context of economic diffusion theory where we consider costs and … benefits on the demand and supply side. We also discuss several pictures of the Internet's physical presence using some of the …

We investigate the causal impact of broadband Internet on political participation using data from Italy. We show that … emergence of new political entrepreneurs who used the Internet to convert the initial "exit" back into "voice". Overall, these … nuanced effects underscore the general equilibrium dynamic induced by the Internet …

taxes would have had on broadband Internet access at an early stage of its diffusion around the country, combining data on …

observe $39 billion of total revenue in Internet access in 2006, with broadband accounting for $28 billion of this total … surplus, which is not measured via Gross Domestic Product (GDP). An Internet-access Consumer Price Index (CPI) would have to …