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NOTICE: this is the author’s version of a work that was accepted for publication in Nonprofit and Voluntary Sector Quarterly. Changes resulting from the publishing process, such as copy-editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. A definitive version of this work was published by Sage Publications in Nonprofit and Voluntary Sector Quarterly, 38(1): 5-28, 2009, this version can be found at http://dx.doi.org/10.1177/0899764008314810 (Please note: access via this link may only be available with a subscription).
Copyright (2009) Sage Publications.
Nonprofit and Voluntary Sector Quarterly, 38(1): 5-28