Ticket queues arise often in public and private sector operations. The service providers in ticket queues have limited information on customer abandonments because abandonment time data is interval censored. The censored nature of data poses challenges in modeling and analysis of abandonments...

Ticket queues are prevalent in service industries. They enhance customer satisfaction by eliminating physical lines, but may compromise efficiency (i.e., service completion probability). Existing studies offer mixed results on the cause and magnitude of such inefficiency. These results, however,...