Martin Rein is Professor Emeritus of Social Policy at MIT in the Dept. of Urban Studies and Planning. His most recent books are Social Benefits after Communism: The Role of Enterprise (Cambridge University Press), andEnterprise and the Welfare State (Edward Elgar Press). Both books will appear at the end of 1996. He has also published, with Donald Schön,Frame-Reflection: Exploring New Approaches to the Resolution of Policy Controversies (Basic Books).