We investigate the impact of a large new public hospital on directly observed waiting times in emergency departments of other public hospitals in Nicaragua. Using a difference-indifferences design, we estimate a significant decrease in waiting time by 42% or 10.1 minutes in nearby hospitals...

We investigate a matrix analysis study for a single-server Markovian queue with finite capacity, i.e. an M/M/1/N queue, where the single server can go for a maximum, i.e. a K number of consecutive vacation periods. During these vacation periods of the server, every customer becomes impatient and...