This paper provides an overview and critical assessment of co-location and clustering in space. Basic location conditions include accessibility to customers, input suppliers including knowledge providers, and regional endowments. A distinction is made between slow and fast location adjustments....

I analyze the effects of sub-city level density of economic activity on worker productivity. Using a geocoded dataset on employment and wages in the city areas of Sweden, the analysis is based on squares representing “neighborhoods” (0.0625 km2), “districts” (1 km2), and...

This paper focuses on a much cited but seldom measured micro-foundation for agglomerations: inter-firm labor mobility. Labor mobility has been advanced as a vehicle for knowledge flows and labor market efficiency, and is often maintained to be an important source of agglomeration economies....

In this paper, we concentrate on how evolutionary economics contributes to a better understanding of the spatial evolution of newly emerging industries. Inspired by evolutionary thinking, four types of explanations are discussed and tested in an empirical analysis of the spatial pattern of the...