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Improving Immunisation Coverage in Rural India: Clustered Randomised Controlled Evaluation of Immunisation Campaigns With and Without Incentives.

Banerjee et al. (2010)
Dhruva Kothari,Rachel Glennerster,Abhijit Banerjee,Esther Duflo
Summary by 
Mark Egan

Targeting child immunization in India with small incentives. 34 villages were randomly divided into 3 groups. A & B were treatment groups, C was the control. A- A monthly immunisation camp;B- A monthly immunisation camp with incentives (raw lentils & metal plates for completed immunisation)C- Control (no intervention)Incredibly, Group B outperformed A in achieving full immunization by a factor of two.