According to NCN's 2015 State of the Sector Survey collaboration is a goal that most nonprofit shared space centers share, yet few feel they have achieved the level of collaboration among tenants that they expected.
For this reason, I found The Myths and Reality of Nonprofit Collaboration: Observations from Six Years in the Trenches by John MacIntosh, Partner, SeaChange Capital Partners and Lois Savage, President, The Lodestar Foundation interesting and relevant for our network. Although this article deals with nonprofit collaboration outside of the colocation model, I think they highlight many issues that shared space centers face.