The focus of this book is on the implications of necessary conditions for social science research, logic, methodology, research design and theory. It combines essential work that deals with the analysis of common errors and the proper means to analyse ramifications of hypotheses and theories.

Chapter 1 Introduction: Necessary Condition Logics, Research Design, and Theory Chapter 2 Basic Logic and Research Design: Conceptualization, Case Selection, and the Form of Relationships Chapter 3 Cause, Correlation, and Necessary Conditions Chapter 4 The Substantive Importance of Necessary Condition Hypotheses Chapter 5 Evidence and Inference in the Comparative Case Study Chapter 6 Necessary Conditions in Case Studies: Preferences, Constraints, and Choices in July 1914 Chapter 7 Practicing Coercion: Revisiting Successes and Failures Using Boolean Logic and Comparative Methods Chapter 8 Fuzzy-set Analysis of Necessary Conditions Chapter 9 The Statistical Methodology of Necessary Conditions Chapter 10 Opportunity, Willingness, and Political Uncertainty: Theoretical Foundations of Politics Chapter 11 Veto Players and Law Production in Parliamentary Democracies: An Empirical Analysis Chapter 12 The Decision to Attack Iraq: A Noncompensatory Theory of Decision-Making Chapter 13 Necessity and Sufficiency in Social Phenomena: Theoretical and Methodological Progress