This paper has been superseded by WP 15-03. The authors study the location and productivity of more than 1,000 research and development (R&D) labs located in the Northeast corridor of the U.S. Using a variety of spatial econometric techniques, they find that these labs are substantially more...

This paper has been superseded by WP 15-03.<p>The authors document the spatial concentration of more than 1,000 research and development (R&D) labs located in the Northeast corridor of the U.S. using point pattern methods. These methods allow systematic examination of clustering at different...</p>

T he United States is home to some of the most innovative companies in the world, such as Apple, Facebook, and Google, to name a few. Inventive activity depends on research and development, and R&D depends on, among other things, the exchange of ideas among individuals. People’s physical...

T he United States is home to some of the most innovative companies in the world, such as Apple, Facebook, and Google, to name a few. Inventive activity depends on research and development, and R&D depends on, among other things, the exchange of ideas among individuals. People’s physical...

This paper has been superseded by WP 15-03. We study the location of more than 1,000 research and development (R&D) labs located in the Northeast corridor of the U.S. Using a variety of spatial econometric techniques, we find that these labs are substantially more concentrated in space than the...

In the U.S., metropolitan areas contain the largest concentrations of people and jobs. Despite some drawbacks, these so-called agglomeration economies also have benefits, such as the cost savings that result from being close to suppliers and workers. Spatial concentration is even more pronounced...