We consider the problem of optimal fleet sizing in a vehicle sharing system. Vehicles are available for short-term rental and are accessible from multiple locations. A vehicle rented at one location can be returned to any other location. The size of the fleet must account not only for the...

On-demand service platforms compete for both workers and customers, forming a two-sided competition. In this paper, we study the game between two platforms implied by such a two-sided competition and examine how the characteristics of the embedded workers-customers subgame affect outcomes in...

We study a service system in which customers make a join-or-balk decision upon arrival and make a purchase-quantity decision when they are served. Empirical evidence shows that customers in this setting tend to consume more to amortize their sunk waiting costs. We model this sunk cost fallacy...