Quote:
Originally Posted by jcathens
What exactly is the purpose of the CSA? Is it for commuting patterns between metros that touch?
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Essentially, yes. The Census bureau defines a CSA as follows: "A geographic entity consisting of two or more adjacent Core Based Statistical Areas (CBSA) (metropolitan and/or micropolitan areas) with employment interchange measures of at least 15. Pairs of CBSAs with employment interchange measures of at least 25 combine automatically. Pairs of CBSAs with employment interchange measures of at least 15, but less than 25, may combine if local opinion in both areas favors combination."
I'd say if the "Brain Train" ever gets built between Atlanta and Athens then the Athens GA metro would get wrapped up into the Atlanta CSA pretty quickly.