New Horizons in Institutional Analysis - Health Politics: Interests and Institutions in Western Europe. By Ellen M. Immergut. New York: Cambridge University Press, 1992. 336p. $49.95. - Institutions and Social Conflict. By Jack Knight. New York: Cambridge University Press, 1992. 234p. $59.95 cloth, $17.95 paper. - Governments at Work: Canadian Parliamentary Federalism and Its Public Policy Effects. By Mark Sproule-Jones. Toronto: University of Toronto Press, 1993. 291p. $45.00 cloth, $18.95 paper. - Structuring Politics: Historical Institutionalism in Comparative Analysis. Edited by Sven Steinmo, Kathleen Thelen, and Frank Longstreth. New York: Cambridge University Press, 1992. 257p. $54.95 cloth, $18.95 paper. - Do Institutions Matter? Government Capabilities in the United States and Abroad. Edited by R. Kent Weaver and Bert A. Rockman. Washington: Brookings, 1993. 498p. $36.95 cloth, $16.95 paper.