Contents -- Acknowledgments -- Glossary of Major Political Parties -- Introduction -- Part 1. The Electoral System: Rules, Politicians, and Parties -- 1. Elections and the Politics of Geography -- 2. Campaign Strategy under Open-List Proportional Representation -- 3. The Evolution of Electoral Support, 1978-94 -- 4. History Matters: The Interaction of Social Structure and Political Events -- Part 2. The Legislative Arena -- 5. Wheeling, Dealing, and Appealing: What Motivates Deputies? -- 6. Presidential Coalition-Building Strategies -- 7. Party Discipline in the Chamber of Deputies -- 8. Procedures, Parties, and Negotiations in a Fragmented Legislature -- Conclusion -- Appendixes -- A. The Maps and Moran's I -- B. Data Sources and Problems -- C. The Constituent Assembly Voting Database -- D. Cooperation and Defection among Deputies, 1991-98 -- References -- Index.