Richard Florida
by Richard Florida
Sun Jan 23rd 2011 at 10:00am UTC

Geographies of Scope

That’s the title of my new article with Kevin Stolarick and Charlotta Mellander just out in the Journal of Economic Geography.

Here’s the abstract:

The geographic clustering of economic activity has long been understood in terms of economies of scale across space. This paper introduces the construct of geographies of scope, which we argue is driven by substantial, large-scale geographic concentrations of related skills, inputs and capabilities. We examine this through an empirical analysis of the entertainment industry across U.S. metropolitan areas from 1970 to 2000. Our findings indicate that geographies of scope (or collocation among key related entertainment subsectors and inputs) explain much of the economic geography of entertainment even when scale is controlled for, though our regressions over time suggest the role of scope is decreasing. Furthermore, we find that the entertainment sector as a whole and its key subsectors are significantly concentrated in two superstar cities—New York and Los Angeles—far beyond what their population size (or scale effects) can account for, while the pattern falls off dramatically for other large regions.

The full article is here.

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