as the main cause and design a parsimonious experiment with exogenous prices that allows classifying experts as either …

to a consumer first, whereupon the consumer can express her trust by paying an interaction price before the expert’s … provision and charging decisions. We argue that the expert’s promise induces a commitment that triggers guilt if the promise is … experts make the predicted promise; (2) proper promises induce consumer-friendly behavior; and (3) higher interaction prices …