Jing Cai|Alain de Janvry|Élisabeth Sadoulet
Social Networks and the Decision to Insure
University of Michigan–Ann Arbor|University of California, Berkeley|University of California, Berkeley
using data randomized experiment rural china study influence social networks weather insurance adoption mechanisms operate quantify network effects experiment provides intensive information sessions product random subset farmers untreated farmers effect additional treated friend takeup equivalent granting 13 percent reduction insurance premium varying information available peers decisions randomizing default options show network effect driven diffusion insurance knowledge rather purchase decisions jel g22 o12 o16 p36 q12 q54 z13