***** DRAFT***** Do not cite, quote or circulate without permission from the authors Explaining Effectiveness in Local Civic Associations Kenneth T. Andrews 1 and Marshall Ganz 2 Matthew Baggetta 3 , Hahrie Han 4 , and Chaeyoon Lim 3 Paper submitted for presentation at the 2006 American Sociological Association Meetings 1 Department of Sociology, University of North Carolina, Chapel Hill, NC 27599, kta@unc.edu 2 Hauser Center, Kennedy School of Government, Harvard University, Cambridge, MA 02138, Marshall_Ganz@harvard.edu 3 Department of Sociology, Harvard University, Cambridge, MA 02138 4 Department of Political Science, Wellesley College, Wellesley, MA 02481