We adopt a mixed methods approach to investigate whether and how heterogeneity in individual returns to a public good affects contributions. We engage smallholder farmers in Sri Lanka in: a one-shot, framed, lab-in-the-field experiment, within which the farmers' rates of return to the public...

Using a specially designed experiment, we investigate whether and how interdependence in risk exposure i.e., risk taking by some members of a potential risk sharing group affecting not only their own but also their co-members risk exposure, affects both risk taking and ex post sharing. The...