We study the effect of railroad access on urban population growth. Using GIS techniques, we match triennial population data for roughly 1,000 cities in nineteenth-century Prussia to georeferenced maps of the German railroad network. We find positive short- and long-term effects of having a...

Technological diffusion is defined widely as the process by which the market for a new technology changes over time and from which production and usage patterns of new products and production processes result. This chapter looks at both the demand and supply sides of this process at differing...