There is controversy about whether geography matters mainly because of its contemporaneous impact on economic outcomes or because of its interaction with historical events. Looking at terrain ruggedness, we are able to estimate the importance of these two channels. Because rugged terrain hinders...

We use the fall of the Berlin Wall in 1989 to show that personal relationships which individuals maintain for non-economic reasons can be an important determinant of regional economic growth. We show that West German households who have social ties to East Germany in 1989 experience a persistent...

This review essay debates the policy issues raised by the book Retooling for Growth: Building a 21st Century Economy in America’s Older Industrial Areas, edited by Richard M. McGahey and Jennifer S. Vey (Brookings Institution Press, 2008). I argue that the main rationale for adopting policies...