An updated and expanded edition of the classic introduction to PPE philosophy politics and economics coauthored by one of the field s pioneersPhilosophy Politics and Economics offers a complete introduction to the fundamental tools and concepts of analysis that PPE students need to study social and political issues This fully updated and expanded edition examines the core methodologies of rational choice strategic analysis norms and collective choice that serve as the bedrocks of political philosophy and the social sciences The textbook is ideal for advanced undergraduates graduate students and nonspecialists looking to familiarize themselves with PPE s approaches Starting with individual choice the book develops an account of rationality to introduce readers to decision theory utility theory and concepts of welfare economics and consumer choice theory It moves to strategic choice in game theory to explore such issues as bargaining theory repeated games and evolutionary game theory The text also considers how social norms can be understood observed and measured Concluding chapters address collective choice social choice theory and democracy and public choice theory s connections to voters representatives and institutions Rigorous and comprehensive Philosophy Politics and Economics continues to be an essential text for this popular and burgeoning field The only book that covers the entirety of PPE methodsA rigorous nontechnical introduction to decision theory game theory and positive political theoryA philosophical introduction to rational choice theory in the social sciences