Incluye referencias bibliográficas e índice CONTENIDO: Introduction: Common Sense about Rights -- Why a Penniless State Cannot Protect Rights -- All Rights Are Positive -- The Necessity of Government Performance -- No Property without Taxation -- Watchdogs Must Be Paid -- Why Rights Cannot Be Absolutes -- How Scarcity Affects Liberty -- How Rights Differ from Interests -- Enforcing Rights Means Distributing Resources -- Why Tradeoffs Are Inescapable -- Why Rights Entail Responsibilities -- Have Rights Gone Too Far? -- The Unselfishness of Rights -- Rights as a Response to Moral Breakdown -- Understanding Rights as Bargains -- How Religious Liberty Promotes Stability -- Rightsholders as Stakeholders -- Welfare Rights and the Politics of Inclusion -- Conclusion: The Public Character of Private Freedoms -- Some Numbers on Rights and Their Costs