Kenneth A. Shepsle is the George D. Markham Professor of Government at Harvard University. He is the author or co-author of several books, including Politics in Plural Societies: A Theory of Democratic Instability , The Giant Jigsaw Puzzle: Democratic Committee Assignments in the Modern House , Models of Multiparty Electoral Competition , and Making and Breaking Governments . He has edited The Congressional Budget Process: Some Views from the Inside , Political Equilibrium , Perspectives on Positive Political Economy , and Cabinet Ministers and Parliamentary Government . He has also authored numerous articles on formal political theory, congressional politics, public policy, and political economy. He is the co-author of the successful undergraduate text Analyzing Politics: Rationality, Behavior, and Institutions .