Part I. Information, Accountability, and a New Approach to Cumulative Learning: 1. Do informational campaigns promote electoral accountability? Thad Dunning, Guy Grossman, Macartan Humphreys, Susan D. Hyde, Craig McIntosh and Gareth Nellis; 2. The Metaketa Initiative Thad Dunning, Guy Grossman, Macartan Humphreys, Susan D. Hyde and Craig McIntosh; 3. Informational interventions: theory and measurement Thad Dunning, Guy Grossman, Macartan Humphreys, Susan D. Hyde, Craig McIntosh and Gareth Nellis; Part II. Field Experiments: 4. Under what conditions does performance information influence voting behavior? Lessons from Benin Claire Adida, Jessica Gottlieb, Eric Kramon and Gwyneth Mcclendon; 5. When does information increase electoral accountability? Lessons from a field experiment in Mexico Eric Arias, Horacio Larreguy, John Marshall and Pablo Querubin; 6. Candidate videos and vote choice in Ugandan parliamentary elections Melina R. Platas and Pia Raffler; 7. Budgets, SMS texts, and votes in Uganda Mark T. Buntaine, Sarah S. Bush, Ryan Jablonski, Daniel L. Nielson and Paula M. Pickering; 8. Performance-based voting in local elections: experimental evidence from Burkina Faso Malte Lierl and Marcus Holmlund; 9. Horizontal but not vertical: accountability institutions and electoral sanctioning in Northeast Brazil Taylor C. Boas, F. Daniel Hidalgo and Marcus A. Melo; 10. Dilemmas and challenges of citizen information campaigns: lessons from a failed experiment in India Neelanjan Sircar and Simon Chauchard; Part III. Cumulative Learning: 11. Meta-analysis Thad Dunning, Clara Bicalho, Anirvan Chowdhury, Guy Grossman, Macartan Humphreys, Susan D. Hyde, Craig McIntosh and Gareth Nellis; 12. Learning about cumulative learning: an experiment with policy practitioners Gareth Nellis, Thad Dunning, Guy Grossman, Macartan Humphreys, Susan D. Hyde, Craig McIntosh and Catlan Reardon; Part IV. Conclusion: 13. Challenges and opportunities Thad Dunning, Guy Grossman, Macartan Humphreys, Susan D. Hyde, Craig McIntosh and Gareth Nellis; Part V. End Matter: 14. Appendix: meta-preanalysis plan (MPAP); 15. References; Part VI. Online Appendix.