literature exploring the topics of herd behaviour, little is known about it in the context of the individual decision … experts. Finally, friends seem to influence consumers' choices more than social networks. …

predecessors. We develop novel tests to detect information-based herding, based on heterogeneity in agent ability, together with a … methodology to quantify its welfare consequences, that are applied to organ transplantation in the U.K. We find that herding is … discarded). However, herding does not raise discard rates much above the level that would be obtained if private assessments …