Peter Coy at BusinessWeek just wrote a short piece about SME’s recent paper, “Connections As A Tool For Growth:Evidence From The LinkedIn Economic Graph.” He noted that:

Jobs were added to the economy fastest in cities where LinkedIn (LNKD) users have dense webs of connections, a new study finds.

The most-connected metro regions enjoyed job growth (2010-14) more than double that of the least connected metro regions.