Citation:Freeman R. Contraction and Expansion: The Divergence of Private and Public Sector Unionism in the United States. Journal of Economic Perspectives. 1988;2 (2) :63-68.Download CitationBibTex Tagged XML Notes:Reprinted in 17 Samuel Estreicher and Stewart Schwab (eds) Foundations of Labor and Employment Law (NY: Oxford University Press, 2000).Last updated on 12/04/2012