Uptake of health insurance and the productive safety net program in rural Ethiopia / Zemzem Shigute (ISS, Erasmus University Rotterdam), Anagaw D. Mebratie (ISS, Erasmus University Rotterdam), Robert Sparrow (Australian National University and IZA), Zelalem Yilma (ISS, Erasmus University Rotterdam), Getnet Alemu (Addis Ababa University), Arjun S. Bedi (ISS, Erasmus University Rotterdam and IZA) ; IZA