We test a New Economic Geography (NEG) model for U.S. counties, employing a new strategy that allows us to bring the full NEG model to the data, and to assess selected elements of this model separately. We find no empirical support for the full NEG model. Regional wages in the U.S. do not...

Several recent econometric investigations found externalities related to the density of economic activity to account for one fifth to one half of total regional variations in average labor productivity in the U.S. and big European countries, including Germany. The present paper shows for German...

In den letzten Jahren wurden Regionen, verstanden als räumliche Einheiten unterschiedlicher Größen innerhalb eines Landes, durch das Aufgreifen regionaler Entwicklungskonzepte, die Thematisierung von Innovationsnetzwerken sowie durch die Popularisierung des Cluster-Ansatzes zunehmend...

Based on a standard idea-based model of endogenous growth we test the hypothesis that regional innovative activity is path-dependent, and investigate the geographical scope of knowledge spillovers. Using data for West-German regions, two alternative indicators of the stock of knowledge are...