Title Page
Copyright
Preface
Contents
Figures
Tables
Summary
Acknowledgments
Abbreviations
Chapter One: Introduction
The Big Sort: Concepts and Critiques
Re-Reconsidering the Clustering Question
Chapter Three: Is Geographic Clustering of Voters Driving Rising Polarization in Congress?
Method 1: The Regression Discontinuity Model
Method 3: The Multistage Model
Findings
Chapter Four: Discussion and Conclusion
Appendix: Notes and Technical Methods
References