This paper presents a model of public debate in which experts attempt to influence public policy by making recommendations about controversial issues. However the decision to become an expert is taken to be endogenous, and consequently depends on the potential expert's bias. Under certain...

Risk averse agents who engage in risky production activities frequently participate in some sort of arrangement to share risk. When there are issues of moral hazard, optimal risk sharing typically involves spreading risk over time as well as over space. Agents who suffer bad outcomes can spread...