We study a credence goods problem - that is, a moral hazard problem with non-contractible outcome - where altruistic experts (the agents) care both about their income and the utility of consumers (the principals). Experts' preferences over income and their consumers' utility are convex, such...

The issue of Food safety has always been at the heart of international debates. The expression "Food safety" is used to designate the hygiene and safety of foodstuffs and the commitment to prevent unintentional contaminations from pathogenic agents. This paper aims at investigating consumers’...

We analyze individuals with heterogeneous time-inconsistent preferences that consume sin goods and make a savings decision. A government may tax the sin good and provide mandatory health insurance. Due to time-inconsistency, the individual sin good and savings choices in ict internalities. Due...