We consider a firm’s choice of service rate in the following environment. The firm may have high or low quality, and sells a good to consumers who are heterogeneously informed. Consumers arrive according to a Poisson process and are serviced in a random period of time. If a consumer arrives...

Firms sometimes nurture long lines, rather than raising prices to eliminate waiting times. We justify this practice by considering the informational role of a queue in a setting in which a firm can also adjust its price to signal its quality to uninformed consumers. When the proportion of...