Collective Action, Philosophy and Law brings together two important strands of philosophical analysis. It combines general philosophical inquiry into collective agency with analyses of specific questions about plural entities and activities in the legal domain. These are issues of growing interest in areas of philosophy like action theory and social ontology, as well as in philosophy of law. The book contains thirteen original chapters written by an international team of leading philosophers and legal theorists, and is divided into four clear parts: The nature of law and of legislative intention; Practical reasoning and duties; Causality, blameworthiness, and responsibility; Citizens, states, and institutions. These sections cut across, ...