"Urban proximity can reduce the costs of shipping goods and speed the flow of ideas. Improvements in communication technology might erode these advantages and allow people and firms to decentralize. However, improvements in transportation and communication technology can also increase the...

The New Economy in Europe and the US poses many unexplored issues. The authors present innovative theoretical and empirical analysis on Internet dynamics, productivity growth and organizational changes in selected OECD countries. New empirical findings related to telecommunications, Internet and...

Americans travel 7 to 9 miles on average for shopping and recreational activities, which is far longer than the 15-minute (walking) city advocated by ecologically-oriented urban planners. This paper provides a comprehensive analysis of local trip behavior in US cities using GPS data on...