Preferences for prioritizing treatment of rare diseases elicited using trade-off exercises are insensitive to (theoretically relevant) opportunity costs, but sensitive to (theoretically irrelevant) framing effects. </AbstractSection> Copyright Springer International Publishing Switzerland 2013

This paper studies farmers who operate in a risky environment at a minimum of subsistence. In particular, the author investigates how poverty influences the soil conservation decision in the absence of formal insurance markets. It is shown that the consequences for the optimal soil conservation...