Decisions under ambiguity

In health care, decisions are always made with imperfect information.  How ambiguity affects stakeholder decisionmaking and in particular how ambiguity interacts with risk preferences to affect decisions is unknown.  A paper by Attema, Bleichrodt and L’Haridon (2018) aims to answer this question using a general ambiguity model.  They find that: For health gains, ambiguity preferences…