Acknowledgments Contributors Introduction PETER BENSON 1 Two Economic Theories of Enforcing Promises RICHARD CRASWELL Ⅰ.Preliminary Matters Ⅱ.Enforcement as Performance Ⅲ.Enforcement as Incentives Ⅳ.Implications of the Distinction Ⅴ.Conclusion 2 The Scope and Limits of Legal Paternalism: Altruism and Coercion in Family Financial Arrangements MICHAEL J. TREBILCOCK AND STEVEN ELLIOTT Ⅰ.Introduction Ⅱ.Private Ordering and Family Financial Arrangements Ⅲ.Contract Failure in the Family Setting Ⅳ.The Functions and Efficacy of Independent Advice Ⅴ.Specifying the Gatekeeper Duties of Lenders Ⅵ.Conclusion: The Scope and Limits of Legal Paternalism 3 Promises and Contracts T. M. SCANLON Ⅰ.Introduction Ⅱ.Manipulation and Regard for Expectations Ⅲ.Fidelitv and the Value of Assurance Ⅳ.Contracts and Enforceability Ⅴ.Voluntariness Ⅵ.Conclusion 4 The Unity of Contract Law 5 The Theory of Contracts 6 Contract Law in the Aristotelian Tradition Index