Dr Wendy Janssens

This research project received financial support from the Amsterdam Institute for International Development (AIID), the Economic and Social Research Council via the Network for Integrated Behavioural Sciences (award no. ES/K002201/1), the Netherlands Organisation for Scientific Research NWO (grant no. 451-10-002), the African Study Centre Leiden, the Tinbergen Institute, and the University of East Anglia. We are grateful to the AIID and PharmAccess Foundation for sharing their survey data and supporting the research. We very much appreciate the comments from Simon Gächter, John Gathergood, and Markus Goldstein. We are very thankful for the excellent assistance in the field by Tanimola Akande, Ameen Hafsat, Marijn van der List, and the interviewer team.