Classical models of service systems with rational and strategic customers assume queues to be either fully visible or invisible. In practice, however, most queues are only "partially visible" or "opaque", in the sense that customers are not able to discern precise queue length upon arrival. This...

During pandemic seasons, queueing management that prevents customers in service systems from interacting with each other can be effective in reducing their risk of infection. In this paper, we aim to understand how queueing topologies and flow control policies influence customers' infection risk...