, verifiability fails to yield efficiency in experiments with endogenous prices. We identify heterogeneous distributional preferences … as the main cause and design a parsimonious experiment with exogenous prices that allows classifying experts as either …

determinants for efficiency in credence goods markets. While theory predicts that either liability or verifiability yields … efficiency, we find that liability has a crucial, but verifiability only a minor effect. Allowing sellers to build up reputation …