Smart food policy models for improving dietary intake recommend tailoring intervention to people's food preference. Food choice plays a major role in the psychological, economic, and social aspects of life by expressing preferences, identities, and cultural meaning. Poor health behavior has been...

Credence goods markets with their asymmetric information between buyers and sellers are prone to large inefficiencies. In theory, poorly informed consumers can protect themselves from maltreatment through sellers by asking for second opinions from other sellers. Yet, empirical evidence whether...