Group decision making provides a mechanism for channeling individual members' knowledge into productive organizational outcomes. However, in hidden profile experiments in which group members have common information favoring an inferior choice, with private information favoring a superior choice,...

Studies of gift exchange have focused on employees' provision of effort to reciprocate good wages, but other avenues of reciprocation exist. We study a natural alternative, the use of verbal rewards and punishments, by altering a bilateral gift exchange game so that employees can send messages...