A large amount of literature provides empirical evidence in support of Marshall or Jacobs
theories regarding the specialization or diversity effects on the economic performance of …

This paper reviews recent empirical studies of location and innovation. The objective is to
highlight the questions addressed, approaches adopted, and further issues that remain. The …

More than most other economic activities, innovation and technological change depend
upon new economic knowledge. Thus, Paul Romer (1986), Paul Krugman (1991a, b), and …

We address the fundamental question arising in geographical economics: why do economic
activities agglomerate in a small number of places? The main reasons for the formation of …

The systems of innovation approach is considered by many to be a useful analytical
approach for better understanding innovation processes as well as the production and …

Innovation has moved to the foreground in regional policy in the last decade. Concrete
policies were shaped by “best practice models” derived from high-tech areas and well …

Whether diversity or specialization of economic activity better promotes technological
change and subsequent economic growth has been the subject of a heated debate in the …

It once took two decades to replace one-third of the Fortune 500; now a subset of new firms
are challenging and displacing this elite group at a breathtaking rate, while armies of …

The role of geographically mediated knowledge externalities in regional innovation systems
has become a major issue in research policy. Although the process of innovation is a crucial …

This paper re‐examines critically the growing literature on localized knowledge spillovers
(LKSs), and finds the econometric evidence on the subject still lacking a firm theoretical …