1. Introduction. Assessing constitutional performance Tom Ginsburg and Aziz Huq; Part I. Defining Constitutional Performance: 2. Hippocratic constitutional design Aziz Huq; 3. What is a good constitution? Assessing the constitutional proposal in the Icelandic experiment Helene Landemore; 4. When is a constitution doing well? The Alberdian test in the Americas Roberto Gargarella; 5. Political parties and constitutional performance Martin Shapiro; Part II. Managing Specific Constitutional Challenges: 6. Constitutions and the transition from military rule Ozal Varol; 7. Constitutional permissiveness, constitutional restrictiveness and religious freedom Hanna Lerner; 8. Transitional provisions and the performance of constitutions Sumit Bisarya; 9. Time and constitutional efficacy: implementation of rights Zachary Elkins, Tom Ginsburg and James Melton; 10. Competitive democracy and the constitutional minimum core Rosalind Dixon and David Landau; Part III. Case Studies: 11. Ambedkar's constitution: promoting inclusion, opposing majority tyranny Martha Nussbaum; 12. Assessing the constitution of Kenya 2010: five years later James Gathii; 13. The Arab Spring constitutions: for whose benefit? Zaid Al-Ali; 14. Stability in flexibility: a British lens on constitutional success Erin Delaney.